{"engine": "perplexity", "model": "sonar", "index": 0, "phrasing": "What is the best open source PBX software for a small business?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://sourceforge.net/directory/pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://hapbx.com/open-source-pbx/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://dialerhq.com/blog/free-open-source-pbx-software/", "https://hapbx.com/free-pbx/", "https://www.freepbx.org/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.softwaresuggest.com/blog/free-pbx-open-source-software/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://sourceforge.net/software/pbx/for-small-business/", "https://www.voipreview.org/business-voip/best-open-source-pbx-software", "https://www.mikopbx.com/", "https://www.asterisk.org/", "https://community.spiceworks.com/t/what-are-the-best-business-voip-providers-cloud-pbx-providers/535949"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n...\nAsterisk is best for small businesses and SMBs that need a custom VoIP phone system with ...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "You're a single business with under 100 extensions, on-premise or self-hosted, and you don't plan to resell voice service.\n**Pick Asterisk plus FreePBX.** The community is huge, the deployment is well-trodden, and the feature set is more than enough for an internal phone system.\n...\nThere isn't a si...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The decision tree for selecting an open source VoIP platform is relatively straightforward.\nIf you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\n...\nFreePBX is the best starting point for most organizations, FusionPBX ...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-01-07", "last_updated": "2026-01-22", "place_metadata": null, "snippet": "|Provider|Best For|Key Features|Pricing|Unique Differentiator|\n...\nIt depends on your budget and requirements, but if you want access to advanced features at competitive rates, then CallHippo is your best choice.", "source": "web", "title": "Top 10 Free Open Source PBX Software Solutions for ...", "url": "https://callhippo.com/blog/general/free-pbx-open-source-software"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "|Brand Name|Key Features|Pricing|Free Trial|\n...\nIf you are looking for an affordable solution for all businesses, DialerHQ is the best, as even the free version offers several advanced features.", "source": "web", "title": "Best 11 Free PBX Software in 2024", "url": "https://dialerhq.com/blog/free-open-source-pbx-software/"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "- **Best For:** Small startups (under 10 users) who need a system that “just works” and can be set up in minutes.\n...\n### What is the “best” free PBX for a small business?\nFor very small teams (under 10 users) who need a quick setup, **3CX** offers an excellent limited free tier.\nFor businesses that...", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "### 1. 3CX: Best Overall for Small to Mid-Sized Businesses", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2024-03-22", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Free PBX Open Source Software in 2026", "url": "https://www.softwaresuggest.com/blog/free-pbx-open-source-software/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": null, "last_updated": "2026-05-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Small Business PBX Software of 2026 - Reviews & Comparison", "url": "https://sourceforge.net/software/pbx/for-small-business/"}, {"date": "2024-01-02", "last_updated": "2025-02-18", "place_metadata": null, "snippet": "", "source": "web", "title": "Compare the Top 10 Best Open Source PBX Software of 2025 | voipreview.org", "url": "https://www.voipreview.org/business-voip/best-open-source-pbx-software"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2016-10-27", "last_updated": "2026-07-06", "place_metadata": null, "snippet": "", "source": "web", "title": "What are the best Business VOIP providers/cloud PBX providers?", "url": "https://community.spiceworks.com/t/what-are-the-best-business-voip-providers-cloud-pbx-providers/535949"}]}
{"engine": "perplexity", "model": "sonar", "index": 1, "phrasing": "Best open-source self-hosted phone system for a 50-person company", "citations": ["https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.opensourcegroups.com/open-source-voip/open-source-voip-business.php", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.ictbroadcast.com/cloud-call-center-software-open-source/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://getvoip.com/blog/free-call-center-software/", "https://getvoip.com/blog/open-source-pbx/", "https://gitnux.org/best/voip-phone-software/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.freepbx.org/", "https://www.techradar.com/best/pbx-phone-systems", "https://www.yeastar.com/self-hosted-pbx/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://vicistack.com/blog/open-source-call-center-software/", "https://syncbricks.com/top-10-open-source-pbx-software/", "https://hapbx.com/open-source-pbx/", "https://www.liveagent.com/blog/best-voip-phone-systems-and-integrations/", "https://www.nextiva.com/blog/open-source-call-center-software.html"], "search_results": [{"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system : r/selfhosted", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VoIP for Business", "url": "https://www.opensourcegroups.com/open-source-voip/open-source-voip-business.php"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-05-19", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Cloud Call Center Software: Best Open Source Options for ...", "url": "https://www.ictbroadcast.com/cloud-call-center-software-open-source/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-12-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Free and Open-Source Call Center Software", "url": "https://getvoip.com/blog/free-call-center-software/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses: OpenPBX, Kamailio, or OpenSIPS\n- Best for small remote teams: 3CX\n- Best for those in the education/government sec...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-02-11", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "After evaluating 10 telecommunications connectivity, 3CX Phone System stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-software/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-11-06", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "### Best open source PBX phone system for small business\n...\nFor anyone who wants to build their own PBX system and save lots of money in the process, it’s worth checking out Asterisk.\nThe latter is an open-source framework that allows people with the right technical know-how to build their own comm...", "source": "web", "title": "Best open source", "url": "https://www.techradar.com/best/pbx-phone-systems"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business", "url": "https://www.yeastar.com/self-hosted-pbx/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "There isn't a single \"best\" because the right pick depends on whether you're a single business, a software team building a custom voice product, or a service provider hosting voice for multiple customers.\nAsterisk plus FreePBX wins for single-business deployments.\nFreeSWITCH wins for custom builds.\n...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "VICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2024-08-27", "last_updated": "2026-07-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Open source PBX Software. - SyncBricks", "url": "https://syncbricks.com/top-10-open-source-pbx-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-07-03", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "20 Best VoIP phone systems and integrations", "url": "https://www.liveagent.com/blog/best-voip-phone-systems-and-integrations/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}]}
{"engine": "perplexity", "model": "sonar", "index": 2, "phrasing": "We are a 30 person startup looking to host our own VoIP PBX server on-premises. What open source software should we use?", "citations": ["https://www.freepbx.org/", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://sourceforge.net/directory/voip/", "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.veloceinternational.com/business/open-source-voip-applications/", "https://www.asterisk.org/", "https://getvoip.com/blog/open-source-pbx/", "https://gitnux.org/best/voip-pbx-software/", "https://gitnux.org/best/voip-telephone-software/", "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server", "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software", "https://en.wikipedia.org/wiki/FreeSWITCH", "https://html.com/blog/voip-top-50-open-source-voip-apps/", "https://www.mikopbx.com/", "https://hapbx.com/open-source-pbx/", "https://en.wikipedia.org/wiki/Category:Free_VoIP_software", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://www.voipsupply.com/ip-pbx-hardware"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The open source VoIP ecosystem includes free software for every layer of a telephony stack: PBX systems like Asterisk and FreeSWITCH for call processing, management interfaces like FreePBX and FusionPBX for web-based administration, SIP proxies like Kamailio for large-scale routing, softphone client...", "source": "web", "title": "Free Open Source VoIP Software", "url": "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nIf you are a small to medi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2020-01-29", "last_updated": "2025-04-11", "place_metadata": null, "snippet": "Asterisk an open-source framework for building communications applications.\nIt runs on Linux, BSD and OS X and allows you to build a PBX given sufficient Linux and telephony know-how.\n...\nOpenPBX a full function, web enabled PBX application, suitable for small office installations and can scale to l...", "source": "web", "title": "Open Source VOIP Applications, Both Clients and Servers - Veloce", "url": "https://www.veloceinternational.com/business/open-source-voip-applications/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-03-12", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "Asterisk is an open-source communications framework for creating custom VoIP PBX systems.", "source": "web", "title": "Best Voip Pbx Software: 2026 Comparison - Gitnux", "url": "https://gitnux.org/best/voip-pbx-software/"}, {"date": "2026-03-12", "last_updated": "2026-04-04", "place_metadata": null, "snippet": "1. 1#1: 3CX - Feature-rich open standards IP PBX software for Windows, Linux, and Mac with integrated video conferencing and mobile apps.\n2. 2#2: Asterisk - Open source software framework for building scalable VoIP telephony applications and PBX systems.\n3. 3#3: FreePBX - Web-based graphical user in...", "source": "web", "title": "Top 10 Best Voip Telephone Software of 2026 - Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": "2018-03-08", "last_updated": "2025-10-25", "place_metadata": null, "snippet": "Asterisk is an open source framework for building communications applications.\nAsterisk turns an ordinary computer into a communications server.\nAsterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions.\n...\nAsterisk is free and open source.\n...\nAsterisk is an open...", "source": "web", "title": "Asterisk PBX - Open Source VOIP IP-PBX Server", "url": "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server"}, {"date": "2025-06-30", "last_updated": "2025-07-07", "place_metadata": null, "snippet": "Asterisk is a free and open-source VoIP software sponsored by Digium.", "source": "web", "title": "Best Free Open Source VoIP Software", "url": "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software"}, {"date": "2006-07-17", "last_updated": "2026-03-08", "place_metadata": null, "snippet": "**FreeSWITCH** is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media.\n...\nFreeSWITCH is used to build private branch exchange (PBX), IVR services, videoconferencing with chat and screen sharing, wholesale least-cost routi...", "source": "web", "title": "FreeSWITCH - Wikipedia", "url": "https://en.wikipedia.org/wiki/FreeSWITCH"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "**OpenPBX:**Developed by Australian company Voicetronix, OpenPBX is a popular solution both with small offices and with large call centers.\n...\n**GNU Bayonne:**An integral part of GNU telephony, Bayonne offers users technology that is not only free but scalable and customizable as well.", "source": "web", "title": "Top 50 Open Source VoIP Apps", "url": "https://html.com/blog/voip-top-50-open-source-voip-apps/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for the server hardware (or cloud VPS hosting), SIP trunking services for outside calls, and the electricity to run it.\nThe biggest hidden cost is the IT labor required for maintenance.", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2018-12-24", "last_updated": "2026-05-05", "place_metadata": null, "snippet": "This category is for packages that implement VOIP and are free software - that is to say that the source code is available under a free software licence.\n...\n- Asterisk (PBX)\n...\n- Blink (SIP client)\n...\n### E\n- Ekiga\n- Elastix\n- Empathy (software)\n### F\n- FreePBX\n- FreeSWITCH\n### G\n- Galene (softwa...", "source": "web", "title": "Category:Free VoIP software - Wikipedia", "url": "https://en.wikipedia.org/wiki/Category:Free_VoIP_software"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": "2024-01-01", "last_updated": "2025-06-16", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VoIP PBX Hardware", "url": "https://www.voipsupply.com/ip-pbx-hardware"}]}
{"engine": "perplexity", "model": "sonar", "index": 3, "phrasing": "Recommend an open source IP-PBX platform for an enterprise with 200 employees.", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.freepbx.org/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://getvoip.com/blog/open-source-pbx/", "https://hapbx.com/open-source-pbx/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://sourceforge.net/directory/pbx/linux/", "https://www.voip-info.org/open-source-voip-software/", "https://sourceforge.net/directory/pbx/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software", "https://syncbricks.com/top-10-open-source-pbx-software/", "https://html.com/blog/voip-top-50-open-source-voip-apps/", "https://ictpbx.com/open-source-pbx-software/", "https://gitnux.org/best/voip-telephone-software/", "https://vitalpbx.com/", "https://www.trustradius.com/categories/ip-pbx?company-size=mid-sized", "https://zipdo.co/best/voip-pbx-software/"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nHere are some suggestions for organizations of various sizes and industries:\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "If you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\nIf you are a service provider, MSP, or enterprise that needs to host multiple organizations on shared infrastructure, choose FusionPBX.\nIf you are a developer buildi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-06-30", "last_updated": "2025-07-07", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open Source VoIP Software", "url": "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software"}, {"date": "2024-08-27", "last_updated": "2026-07-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Open source PBX Software. - SyncBricks", "url": "https://syncbricks.com/top-10-open-source-pbx-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 50 Open Source VoIP Apps", "url": "https://html.com/blog/voip-top-50-open-source-voip-apps/"}, {"date": "2026-04-30", "last_updated": "2026-08-01", "place_metadata": null, "snippet": "For a single-business deployment, FreePBX on Asterisk is the most widely documented and supported.", "source": "web", "title": "Open Source PBX Software: The Complete 2026 Guide for Service ...", "url": "https://ictpbx.com/open-source-pbx-software/"}, {"date": "2026-03-12", "last_updated": "2026-04-04", "place_metadata": null, "snippet": "|#|Tool|Category|Overall|Features|Ease of Use|Value|\n...\nThe review of top VoIP telephone software highlights 3CX as the standout choice, with its feature-rich open standards, integrated video conferencing, and cross-platform compatibility.", "source": "web", "title": "Top 10 Best Voip Telephone Software of 2026 - Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}, {"date": "2023-10-29", "last_updated": "2025-10-26", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Mid-sized Companies IP PBX Systems 2026 | TrustRadius", "url": "https://www.trustradius.com/categories/ip-pbx?company-size=mid-sized"}, {"date": "2026-03-12", "last_updated": "2026-04-26", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Best Voip Pbx Software of 2026", "url": "https://zipdo.co/best/voip-pbx-software/"}]}
{"engine": "perplexity", "model": "sonar", "index": 4, "phrasing": "affordable self hosted open source PBX software", "citations": ["https://opensourcerepo.co.uk/voip/", "https://hapbx.com/open-source-pbx/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.freepbx.org/", "https://sourceforge.net/directory/pbx/linux/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://getvoip.com/blog/open-source-pbx/", "https://www.mikopbx.com/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.f6s.com/software/category/self-hosted-pbx", "https://www.asterisk.org/", "https://www.3cx.com/pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://callwave.com/open-source-pbx/", "https://sourceforge.net/directory/voip/", "https://getvoip.com/blog/free-cloud-pbx/", "https://www.yeastar.com/self-hosted-pbx/"], "search_results": [{"date": null, "last_updated": "2025-11-01", "place_metadata": null, "snippet": "Self-host your own PBX system for free for up to 10 users with the Startup version.\n...\nTeamSpeak 3 Client is absolutely FREE to download and install on your PC, Mac or Linux Box.\nOnce installed, you can freely access 1000s of public TeamSpeak servers or even your own private TeamSpeak server.\nIf yo...", "source": "web", "title": "Voice over IP (VoIP)", "url": "https://opensourcerepo.co.uk/voip/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The modern trend is to deploy virtual PBX open source solutions.\nInstead of buying hardware, you rent a VPS (Virtual Private Server) from providers like AWS, Google Cloud, or DigitalOcean.\n...\nThe software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for...", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "FreePBX is a nice and open source software suite built on top of Asterisk with a GUI.\n...\nOoma is one of the cheapest options, they’re at $20/line.", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.\nCompletely free to download and use, the power of FreePBX comes from a global community of developers who ensure it remains a high compatibility and customizabl...", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, ACD, IVR, call recording, CRM integration, web-based agent interface.|Free (open-source) or $400/month (hosted)|Powerful for high-volume outbound campaigns with predictive dialing and reporting.|Interface can feel dated; r...", "source": "web", "title": "Discover the Best Open Source Call Center Software ...", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "Supported by Digium, the software program is totally free as well as open source.\n...\nInitially based off the Asterisk platform, Elastix provides open source single communications server program which includes an IP PBX, IM, email, faxing as well as collaboration functionality.\nWith a solid focus on...", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The free and open-source PBX software solutions reviewed below keep costs down without compromising capabilities.\n...\nThe top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small comp...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Open source call center software is free to use, customizable to the nth degree, and backed by a community of developers.", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2024-12-19", "last_updated": "2025-11-27", "place_metadata": null, "snippet": "Starts at €0 per license\nFree trial available", "source": "web", "title": "Best Self-Hosted PBX Software • November 2025", "url": "https://www.f6s.com/software/category/self-hosted-pbx"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Choose 3CX Hosted for managed hosting with full data control, or self-host on Amazon, Google, Azure, or on-prem with Windows or Linux.\n...\n3CX is one of the few PBX solutions offering full on-premise deployment, with options for self-hosting in the cloud or installing on-site.\n...\n3CX offers flexibl...", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "The core Asterisk software is entirely free to download, install, and configure without any licensing costs.\n...\nPaid support subscriptions are available through Digium starting at $99 per year for the basic plan.\n...\nAs open-source software, FreeSWITCH is entirely free to download and use without a...", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2025-08-03", "last_updated": "2026-08-07", "place_metadata": null, "snippet": "|**Provider**|**How Free**|**User limit**|**Standout Features**|**Best For**|\n...\n|Freshdesk|Free forever plan|Up to 2 agents|- Ticketing System - Customizable reporting templates - Shared inbox|Businesses in the healthcare industry that need high security, reliability, and scalability|\n|Bitrix24|Fr...", "source": "web", "title": "7 Best Free Cloud PBX Providers - GetVoIP", "url": "https://getvoip.com/blog/free-cloud-pbx/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business - Yeastar", "url": "https://www.yeastar.com/self-hosted-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 5, "phrasing": "What open source PBX software do IT administrators actually recommend?", "citations": ["https://hapbx.com/open-source-pbx/", "https://www.freepbx.org/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://sourceforge.net/directory/pbx/", "https://www.voip-info.org/open-source-voip-software/", "https://getvoip.com/blog/open-source-pbx/", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.asterisk.org/", "https://gitnux.org/best/voip-pbx-software/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://www.softwaresuggest.com/blog/free-pbx-open-source-software/", "https://dialerhq.com/blog/free-open-source-pbx-software/"], "search_results": [{"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "**Best For:** SMBs and IT admins who want the power of Asterisk without the complexity of the command line.", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nIf you are a small to medi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\n|If you need…|Start with|\n|--|--|\n|Programmable telephony engine|FreeSWITCH|\n|Simple in...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "The pattern is obvious: if you need outbound contact center functionality --- predictive dialing, campaign management, lead list handling, agent scripting, blended inbound/outbound --- VICIdial is your only real option in the open source world.\n...\n### What is the best open source call center softwa...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "Some of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-01-07", "last_updated": "2026-01-22", "place_metadata": null, "snippet": "|Provider|Best For|Key Features|Pricing|Unique Differentiator|\n...\nIt depends on your budget and requirements, but if you want access to advanced features at competitive rates, then CallHippo is your best choice.", "source": "web", "title": "Top 10 Free Open Source PBX Software Solutions for ...", "url": "https://callhippo.com/blog/general/free-pbx-open-source-software"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "**Pick Asterisk plus FreePBX.** The community is huge, the deployment is well-trodden, and the feature set is more than enough for an internal phone system.\n...\n### What's the best open source PBX software in 2026?\nThere isn't a single \"best\" because the right pick depends on whether you're a single...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-03-12", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "After evaluating 10 technology digital media, Dialpad stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.", "source": "web", "title": "Best Voip Pbx Software: 2026 Comparison - Gitnux", "url": "https://gitnux.org/best/voip-pbx-software/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": "2024-03-22", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Free PBX Open Source Software in 2026", "url": "https://www.softwaresuggest.com/blog/free-pbx-open-source-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "**Comparison of Top 11 Free Open Source PBX Software in 2024**\n|Brand Name|Key Features|Pricing|Free Trial|", "source": "web", "title": "Best 11 Free PBX Software in 2024", "url": "https://dialerhq.com/blog/free-open-source-pbx-software/"}]}
{"engine": "perplexity", "model": "sonar", "index": 6, "phrasing": "Best open source self-hosted VoIP server for Linux", "citations": ["https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://hapbx.com/open-source-pbx/", "https://leviwheatcroft.github.io/selfhosted-awesome-unlist/tags/voip.html", "https://www.kamailio.org/w/", "https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/", "https://www.reddit.com/r/VOIP/comments/1ky53ze/open_source_sip_server_client_recommendations/", "https://getvoip.com/blog/open-source-pbx/", "https://awesomehub.js.org/list/selfhosted/communication/sip", "https://www.voip-info.org/open-source-voip-software/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://opensourcerepo.co.uk/voip/", "https://sourceforge.net/directory/pbx/", "https://www.asterisk.org/", "https://community.spiceworks.com/t/open-source-voip-server/232706", "https://sourceforge.net/directory/sip-servers/", "https://serverfault.com/questions/117789/recommend-an-open-source-voip-project", "https://www.freepbx.org/", "https://www.linuxjournal.com/article/5480", "https://medevel.com/2x-os-voip-servers/"], "search_results": [{"date": "2021-02-23", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What's a good FOSS X-platform self-hosted VOIP program?", "url": "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": null, "last_updated": "2025-08-21", "place_metadata": null, "snippet": "", "source": "web", "title": "ejabberd", "url": "https://leviwheatcroft.github.io/selfhosted-awesome-unlist/tags/voip.html"}, {"date": "2026-06-19", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "News", "url": "https://www.kamailio.org/w/"}, {"date": "2026-04-18", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "- **Choose Kamailio** if you only need SIP signaling — routing, load balancing, or a SIP front-end.\nPair it with a media server for full PBX functionality.\n...\n- **Choose FreeSWITCH** if you need modern features like WebRTC, advanced conferencing, or are building a communications platform that needs...", "source": "web", "title": "Kamailio vs Asterisk vs FreeSWITCH: Best Self-Hosted VoIP/PBX ...", "url": "https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/"}, {"date": "2025-05-29", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source SIP server / client recommendations?", "url": "https://www.reddit.com/r/VOIP/comments/1ky53ze/open_source_sip_server_client_recommendations/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted / SIP - AwesomeHub", "url": "https://awesomehub.js.org/list/selfhosted/communication/sip"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": null, "last_updated": "2025-11-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Voice over IP (VoIP)", "url": "https://opensourcerepo.co.uk/voip/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP server", "url": "https://community.spiceworks.com/t/open-source-voip-server/232706"}, {"date": "2019-03-07", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source SIP Servers 2026", "url": "https://sourceforge.net/directory/sip-servers/"}, {"date": "2010-03-01", "last_updated": "2024-12-24", "place_metadata": null, "snippet": "", "source": "web", "title": "Recommend an open source VoIP project?", "url": "https://serverfault.com/questions/117789/recommend-an-open-source-voip-project"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2002-04-30", "last_updated": "2026-06-29", "place_metadata": null, "snippet": "", "source": "web", "title": "VOCAL: Open Source VoIP Software for Linux", "url": "https://www.linuxjournal.com/article/5480"}, {"date": "2024-03-23", "last_updated": "2025-02-25", "place_metadata": null, "snippet": "", "source": "web", "title": "22 Open-source Free and Open-source VoIP and Sip Servers", "url": "https://medevel.com/2x-os-voip-servers/"}]}
{"engine": "perplexity", "model": "sonar", "index": 7, "phrasing": "What is the most reliable open source PBX software for a call center?", "citations": ["https://vicistack.com/blog/open-source-call-center-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hostedvicidial.com/open-source-call-center-software", "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.hirevoipdeveloper.com/blog/best-open-source-call-center-software-options/", "https://gitnux.org/best/free-call-center-software/", "https://wifitalents.com/best/call-center-free-software/", "https://hapbx.com/open-source-pbx/", "https://www.freepbx.org/", "https://dialaxy.com/call-contact-center/open-source-call-center-software/", "https://www.reddit.com/r/opensource/comments/q5fgym/callcenter_software/", "https://sourceforge.net/directory/pbx/", "https://www.ictbroadcast.com/cloud-call-center-software-open-source/", "https://getvoip.com/blog/open-source-pbx/", "https://www.asterisk.org/", "https://www.ringover.com/blog/best-call-center-software", "https://getvoip.com/blog/free-call-center-software/", "https://vitalpbx.com/"], "search_results": [{"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\nFull predictive dialing, inbound ACD, blended campaigns, call recording, real-time monitoring, agent scripting, and a non-agent API.\n...\nThe pattern is obvious: if you need outbound contact center functionality --- predictive dialing...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-02-20", "last_updated": "2026-07-10", "place_metadata": null, "snippet": "**Quick answer:** For a complete outbound/blended call center platform, VICIdial is the leading open-source option.\n...\n- **VICIdial** — Original, most deployed, active community.\nPredictive/progressive/preview, blended, IVR, recording.\n...\nWhat is the best open source call center software?\nVICIdial...", "source": "web", "title": "Open Source Call Center Software in 2026 - Hosted - VICIdial", "url": "https://hostedvicidial.com/open-source-call-center-software"}, {"date": "2020-06-13", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Any suggestion for a free open source call center software for our startup? Could VICIDial be good for that? Anyone experienced with it?", "url": "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Top options in 2025** include *VICIdial, Asterisk, FreePBX, 3CX*, and *GOautodial*, each offering varying levels of complexity, UI friendliness, and feature sets.\n...\n## Best Open Source Call Center Software in 2025\n|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, AC...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-08-12", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "Based on current development activity and community support, here are the best open-source call center platforms:\n...\nBuilt on the reliable Asterisk platform with omnichannel blending capabilities, VICIdial remains a standout with its unmatched customizability.", "source": "web", "title": "Top 8 Open Source Call Center Software Options In 2026", "url": "https://www.hirevoipdeveloper.com/blog/best-open-source-call-center-software-options/"}, {"date": "2026-03-10", "last_updated": "2026-03-10", "place_metadata": null, "snippet": "|#|Tool|Category|Overall|Features|Ease of Use|Value|\n...\nThe top free call center software reviewed offer tailored solutions to diverse needs, with VICIdial leading as the standout due to its comprehensive inbound, outbound, and blended calling features, along with agent monitoring, IVR, and CRM int...", "source": "web", "title": "Top 10 Best Free Call Center Software of 2026", "url": "https://gitnux.org/best/free-call-center-software/"}, {"date": "2026-02-12", "last_updated": "2026-04-29", "place_metadata": null, "snippet": "| |Tool|Category| | | | | |\n...\n|1|FreePBXBest Overall FreePBX provides a free open-source PBX platform with web-based call routing, extensions, and call flow management for call centers.|open-source PBX|9.1/10|8.8/10|7.4/10|9.6/10|Visit|\n...\nFreePBX\nBest Overall\n9.1/10\n...\n8\n...\nFreePBX ranks first...", "source": "web", "title": "Top 10 Best Call Center Free Software of 2026 - WifiTalents", "url": "https://wifitalents.com/best/call-center-free-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "The “Free” in FreePBX stands for Freedom.\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-03-27", "last_updated": "2026-07-29", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software for Businesses", "url": "https://dialaxy.com/call-contact-center/open-source-call-center-software/"}, {"date": "2021-10-10", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "callcenter software", "url": "https://www.reddit.com/r/opensource/comments/q5fgym/callcenter_software/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-07-29", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "### Is open source call center software reliable enough for production use?\nYes, when it’s built on proven telephony engines like FreeSWITCH or Asterisk.\nICTBroadcast runs FreeSWITCH, which handles millions of concurrent calls in production deployments globally.\nThe open source label refers to the l...", "source": "web", "title": "Cloud Call Center Software: Best Open Source Options for 2026", "url": "https://www.ictbroadcast.com/cloud-call-center-software-open-source/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nHere are some suggestions for organizations of various sizes and industries:\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2023-08-30", "last_updated": "2026-07-27", "place_metadata": null, "snippet": "", "source": "web", "title": "Best 15 Open Source Call Center Software to Consider", "url": "https://www.ringover.com/blog/best-call-center-software"}, {"date": "2025-12-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Free and Open-Source Call Center Software - GetVoIP", "url": "https://getvoip.com/blog/free-call-center-software/"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}]}
{"engine": "perplexity", "model": "sonar", "index": 8, "phrasing": "We need to deploy a self-hosted IP PBX on a cloud server. What open source software is best?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.freepbx.org/", "https://www.voip-info.org/open-source-voip-software/", "https://worldmetrics.org/best/ip-pbx-software/", "https://getvoip.com/blog/open-source-pbx/", "https://syncbricks.com/top-10-open-source-pbx-software/", "https://hapbx.com/open-source-pbx/", "https://medevel.com/2x-os-voip-servers/", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.asterisk.org/", "https://sourceforge.net/directory/pbx/", "https://gitnux.org/best/voip-telephone-software/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.mikopbx.com/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": null, "last_updated": "2026-06-25", "place_metadata": null, "snippet": "1. Best overall\n3CX Phone System\nFits when mid-size teams need routing control plus measurable call-handling reporting.", "source": "web", "title": "Top 10 Best Ip Pbx Software | Independently Tested 2026", "url": "https://worldmetrics.org/best/ip-pbx-software/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2024-08-27", "last_updated": "2026-07-04", "place_metadata": null, "snippet": "## Best Open Source Software based PBX Systems\n...\nEssentially it is an open source PBX system.\n...\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "Top 10 Open source PBX Software. - SyncBricks", "url": "https://syncbricks.com/top-10-open-source-pbx-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for the server hardware (or cloud VPS hosting), SIP trunking services for outside calls, and the electricity to run it.\nThe biggest hidden cost is the IT labor required for maintenance.\n...\nA virt...", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2024-03-23", "last_updated": "2025-02-25", "place_metadata": null, "snippet": "Kamailio is an open source SIP Signaling Server designed for large deployments, but can also be used for personal needs.\n...\nMikoPBX is a powerful and flexible open-source graphical user interface (GUI) designed to control and manage Asterisk (PBX) with ease.\n...\nMumble is an open-source VoIP applic...", "source": "web", "title": "22 Open-source Free and Open-source VoIP and Sip Servers", "url": "https://medevel.com/2x-os-voip-servers/"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "3. **Open Source Software PBX**– Open Source PBX developed using Perl.\nOpenPBX.org will be stable, featureful, easy to use, and easy to deploy on a range of operating systems.\n...\n5. **SIPxchange**– An enterprise-grade SIP PBX, SIP call manager and router, and SIP Softphone based on 100% SIP and 100...", "source": "web", "title": "74 Open Source VoIP Apps & Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-03-12", "last_updated": "2026-04-04", "place_metadata": null, "snippet": "|#|Tool|Category|Overall|Features|Ease of Use|Value|", "source": "web", "title": "Top 10 Best Voip Telephone Software of 2026 - Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nThe decision tree for sele...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "3CX has established itself as a leading choice for organizations seeking comprehensive functionality without enterprise-level complexity.\nThe platform operates as an open-standards software PBX, allowing businesses to deploy on Windows or Linux servers, host through major cloud providers, or utilize...", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "The Top 10 Best Free Open Source PBX Software: Asterisk", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "The first meaning is a media engine and signaling stack you can self-host: Asterisk and FreeSWITCH are the two foundational projects everyone else builds on.\n...\nYou're a single business with under 100 extensions, on-premise or self-hosted, and you don't plan to resell voice service.\n**Pick Asterisk...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2016-10-24", "last_updated": "2026-03-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source solution for cloud-based multi-tenant PBX? - General Help", "url": "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}]}
{"engine": "perplexity", "model": "sonar", "index": 9, "phrasing": "Top open source PBX options for small office telephony", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://hapbx.com/open-source-pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://sourceforge.net/directory/pbx/", "https://techstorify.com/best-open-source-pbx-software/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://www.freepbx.org/", "https://callwave.com/open-source-pbx/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.asterisk.org/", "https://www.mikopbx.com/", "https://vitalpbx.com/"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\n...\nVICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Asterisk is a widely used open source PBX framework with call center components available as add-ons.", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\nAsterisk is the original open source PBX and still the most widely deployed.\n...\nIf you...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "**Quick Comparison: Top Open Source PBX Platforms**\n|**Platform**|**Core Engine**|**Interface (GUI)**|**Difficulty**|**Best For**|\n|--|--|--|--|--|\n|**Asterisk**|Asterisk|No (CLI only)|Expert|Developers building custom apps|\n|**FreePBX**|Asterisk|Yes (Web)|Medium|SMBs & Standard Office VoIP|\n|**Fusi...", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n...\n|OpenSIPS|Free and open, training packag...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix\n### 1.", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Asterisk: ** An open source telephony engine that supports voice, video, data and text communication.\nIt provides PBX features such as call routing, auto attendants, VoIP integration and call conferencing.\n- **FreePBX: ** A web-based graphical user interface built on top of the Asterisk engine.\n...", "source": "web", "title": "Best Open Source PBX Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2023-10-07", "last_updated": "2025-01-23", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Best Free Open Source PBX Software Solutions of 2025", "url": "https://techstorify.com/best-open-source-pbx-software/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "- **Teams running 500+ concurrent calls and willing to invest in infrastructure**: Asterisk remains the most mature choice, though FreeSWITCH still wins on threading; if you want a lighter SIP foundation, Kamailio scales harder.\n...\n|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n...\n|...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "PlatformBest ForMulti-TenantWeb DashboardWhite-LabelSetup EffortAsterisk + FreePBXSingle business, on-premiseWorkarounds onlyFreePBXCustom workMediumFreeSWITCH (vanilla)Custom builds, contact center enginesYou build itNoneYou build itHighICTPBXITSPs, MSPs, hosted voice resellersNativeAngular SPANati...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "1. **Asterisk**: This is one of the most popular open-source PBX solutions.", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nIf you are a small to medi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-01-07", "last_updated": "2026-01-22", "place_metadata": null, "snippet": "Here are the top ten free options which will help you select the best solution to meet your business requirements.\n|Provider|Best For|Key Features|Pricing|Unique Differentiator|\n...\n|CallHippo|Businesses wanting ready-to-use cloud telephony|Hosted PBX, virtual numbers, smart call routing, IVR|Starts...", "source": "web", "title": "Top 10 Free Open Source PBX Software Solutions for ...", "url": "https://callhippo.com/blog/general/free-pbx-open-source-software"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "YATE (Yet Another Telephony Engine) is a modular open-source VoIP PBX built using the Enhanced Nethack Telephony Interface (ENTI) framework.\n...\nZulu UC is an enterprise-grade unified communications suite that offers video conferencing, instant messaging, presence control, and PBX functionality in a...", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "### 1. 3CX: Best Overall for Small to Mid-Sized Businesses\n...\nFreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}]}
{"engine": "perplexity", "model": "sonar", "index": 10, "phrasing": "Which open source self-hosted phone system software has the best web admin interface?", "citations": ["https://github.com/ankaios76/gonopbx", "https://gonopbx.de/en/", "https://www.opensourcegroups.com/open-source-voip/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.freepbx.org/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://awesome-selfhosted.net/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://github.com/awesome-selfhosted/awesome-selfhosted", "https://vicistack.com/blog/open-source-call-center-software/", "https://ictpbx.com/open-source-pbx-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://zipdo.co/best/ip-phone-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://hapbx.com/open-source-pbx/", "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/", "https://selfh.st/apps/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://getvoip.com/blog/open-source-pbx/"], "search_results": [{"date": "2026-02-09", "last_updated": "2026-05-31", "place_metadata": null, "snippet": "**Modern Open-Source Web GUI for Asterisk PBX**\n...\nModern open-source web GUI for Asterisk PBX – extensions, SIP trunks, CDR, voicemail & real-time dashboard.\nDocker deployment in minutes.", "source": "web", "title": "ankaios76/gonopbx: Modern open-source web GUI ...", "url": "https://github.com/ankaios76/gonopbx"}, {"date": "2026-02-13", "last_updated": "2026-04-11", "place_metadata": null, "snippet": "GonoPBX is a web-based management interface for Asterisk –\na side project that grows step by step.\n...\nhttps://your-server-ip:3000", "source": "web", "title": "Modern Open-Source Phone System - GonoPBX", "url": "https://gonopbx.de/en/"}, {"date": "2026-06-20", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "FreePBX is the most widely deployed open source PBX management interface in the world.", "source": "web", "title": "Open Source VoIP and PBX Phone Systems", "url": "https://www.opensourcegroups.com/open-source-voip/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "FusionPBX is a web-based management interface for FreeSWITCH, and its standout capability is native multi-tenancy.\n...\nIf you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\n...\nFreePBX is the best starting point for mos...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "**Wazo** – Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and **REST**-ful API.", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": null, "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "awesome-selfhosted", "url": "https://awesome-selfhosted.net/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "There isn't a single \"best\" because the right pick depends on whether you're a single business, a software team building a custom voice product, or a service provider hosting voice for multiple customers.\nAsterisk plus FreePBX wins for single-business deployments.\nFreeSWITCH wins for custom builds.\n...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2015-06-01", "last_updated": "2026-06-26", "place_metadata": null, "snippet": "", "source": "web", "title": "Awesome-Selfhosted", "url": "https://github.com/awesome-selfhosted/awesome-selfhosted"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "VICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-04-30", "last_updated": "2026-08-01", "place_metadata": null, "snippet": "An open source, multi-tenant PBX management platform built on FreeSWITCH 1.10 and FusionPBX 6.6, connected through the ICTCore REST API and managed from a modern Angular 13 dashboard.\n...\n|Factor|Open Source Self-Hosted|Commercial Hosted PBX|\n...\n|License cost|Free|$15–$50/user/month|\n...\nFor a sing...", "source": "web", "title": "Open Source PBX Software: The Complete 2026 Guide for Service ...", "url": "https://ictpbx.com/open-source-pbx-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-03-12", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "3CX Phone System earns the top spot in this ranking.", "source": "web", "title": "Top 10 Best Ip Phone Software | Tested in 2026", "url": "https://zipdo.co/best/ip-phone-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "|**Platform**|**Core Engine**|**Interface (GUI)**|**Difficulty**|**Best For**|\n...\n|**Asterisk**|Asterisk|No (CLI only)|Expert|Developers building custom apps|\n|**FreePBX**|Asterisk|Yes (Web)|Medium|SMBs & Standard Office VoIP|\n|**FusionPBX**|FreeSWITCH|Yes (Modern)|High|Multi-tenant Service Provide...", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self Hosted VOIP for Home : r/selfhosted", "url": "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/"}, {"date": "2026-06-10", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-Hosted Software and Apps", "url": "https://selfh.st/apps/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 11, "phrasing": "We want to replace our legacy PBX hardware with self-hosted open source software. What are our best options?", "citations": ["https://hapbx.com/open-source-pbx/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.freepbx.org/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://github.com/topics/pbx", "https://hapbx.com/free-pbx/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://getvoip.com/blog/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.asterisk.org/", "https://www.mikopbx.com/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.yeastar.com/self-hosted-pbx/", "https://www.3cx.com/pbx/"], "search_results": [{"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for the server hardware (or cloud VPS hosting), SIP trunking services for outside calls, and the electricity to run it.", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "- **Teams running 500+ concurrent calls and willing to invest in infrastructure**: Asterisk remains the most mature choice, though FreeSWITCH still wins on threading; if you want a lighter SIP foundation, Kamailio scales harder.\n- **Organizations building programmable, cloud-native telephony**: Rout...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "If you're looking for PBX software that you can host on your own server and need to handle 4 to 10 concurrent calls with extensions, along with call recording capabilities, there are several excellent options to consider:\n1. **Asterisk**: This is one of the most popular open-source PBX solutions.\nIt...", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Top options in 2025** include *VICIdial, Asterisk, FreePBX, 3CX*, and *GOautodial*, each offering varying levels of complexity, UI friendliness, and feature sets.\n...\n## Best Open Source Call Center Software in 2025\n|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, AC...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "The first meaning is a media engine and signaling stack you can self-host: Asterisk and FreeSWITCH are the two foundational projects everyone else builds on.\n...\nYou're a single business with under 100 extensions, on-premise or self-hosted, and you don't plan to resell voice service.\n**Pick Asterisk...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2025-08-20", "last_updated": "2025-08-24", "place_metadata": null, "snippet": "", "source": "web", "title": "pbx · GitHub Topics", "url": "https://github.com/topics/pbx"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "Based on stability, feature sets, and community activity, here are the top 5 solutions currently dominating the market for DIY and self-hosted telephony.\n...\nFreePBX is arguably the most popular open-source PBX in the world.\n...\nFor very small teams (under 10 users) who need a quick setup, **3CX** o...", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "We are going to look at every platform worth discussing: VICIdial, Asterisk, FreePBX, GoAutoDial, FusionPBX, Issabel, and the newer entrants.\n...\nVICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, featur...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business - Yeastar", "url": "https://www.yeastar.com/self-hosted-pbx/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Choose 3CX Hosted for managed hosting with full data control, or self-host on Amazon, Google, Azure, or on-prem with Windows or Linux.\n...\nYes!\nA 3CX PBX gives you the flexibility to choose with its Basic, PRO and AI Editions.", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 12, "phrasing": "What open-source IP-PBX distribution should a local school district install?", "citations": ["https://www.reddit.com/r/sysadmin/comments/1mic8y7/ip_phone_system_recommendations/", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/", "https://www.freepbx.org/", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://community.spiceworks.com/t/best-voip-solutions-for-k12-schools/273391", "https://getvoip.com/blog/open-source-pbx/", "https://www.asterisk.org/", "https://hapbx.com/open-source-pbx/", "https://www.freepbx.org/get-started/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.infradapt.com/schools/open-source-telephony-for-schools/", "https://sourceforge.net/directory/voip/", "https://hapbx.com/free-pbx/", "https://gitnux.org/best/voip-telephone-software/", "https://www.grandstream.com/products/pbx-solutions", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://xorcom.com/tag/open-source-ip-pbx/"], "search_results": [{"date": "2025-08-05", "last_updated": "2026-02-10", "place_metadata": null, "snippet": "", "source": "web", "title": "IP Phone System Recommendations?", "url": "https://www.reddit.com/r/sysadmin/comments/1mic8y7/ip_phone_system_recommendations/"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\n**Best fit:** in-house PBX, school or campus phone systems, basic call recording.\n...\n#...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2018-01-01", "last_updated": "2026-05-02", "place_metadata": null, "snippet": "## 1.\nSolutions serveurs Open Source\nIP PABX :\n- Asterisk et dérivatifs\n- Freeswitch\nProxys SIP (Fed VoIP)\n- Kamailio\n- OpenSips\n- Repro\n- Flexisip", "source": "web", "title": "Aperçu des logiciels de téléphonie Open Source - Protocole SIP", "url": "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source best PBX sokution : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "3. **Open Source Software PBX**– Open Source PBX developed using Perl.\n...\n5. **SIPxchange**– An enterprise-grade SIP PBX, SIP call manager and router, and SIP Softphone based on 100% SIP and 100% open source software.", "source": "web", "title": "74 Open Source VoIP Apps & Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2014-01-31", "last_updated": "2026-07-13", "place_metadata": null, "snippet": "Open source (Elastix/FreePBX)", "source": "web", "title": "Best VOIP Solutions for K12 Schools - Spiceworks Community", "url": "https://community.spiceworks.com/t/best-voip-solutions-for-k12-schools/273391"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026): Top Free Tools vs ...", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-07-25", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "We have simplified the approach to install and configure an Asterisk-based open source phone system on a server or virtual environment.\n...\nStart with the latest GNU GPL Install Script for Debian 12 to bring up a FreePBX system using the following steps:\n- First, install Debian 12!\n- In the cloud, c...", "source": "web", "title": "Freepbx - All The Built-In...", "url": "https://www.freepbx.org/get-started/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2018-02-19", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Telephony for Schools – Infradapt", "url": "https://www.infradapt.com/schools/open-source-telephony-for-schools/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": "2026-03-12", "last_updated": "2026-04-04", "place_metadata": null, "snippet": "1. 1#1: 3CX - Feature-rich open standards IP PBX software for Windows, Linux, and Mac with integrated video conferencing and mobile apps.\n...\n|#|Tool|Category|Overall|Features|Ease of Use|Value|\n...\nThe review of top VoIP telephone software highlights 3CX as the standout choice, with its feature-ric...", "source": "web", "title": "Top 10 Best Voip Telephone Software of 2026 - Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": null, "last_updated": "2026-07-30", "place_metadata": null, "snippet": "", "source": "web", "title": "PBX Solutions | Grandstream Networks", "url": "https://www.grandstream.com/products/pbx-solutions"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": null, "last_updated": "2026-06-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source IP-PBX | Xorcom", "url": "https://xorcom.com/tag/open-source-ip-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 13, "phrasing": "Best open source VoIP phone system server for a non-profit organization", "citations": ["https://www.freepbx.org/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/oocrtl/voip_for_small_nonprofit_or_something_else/", "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software", "https://www.getapp.com/it-communications-software/voip/org/non-profits/", "https://krispcall.com/blog/open-source-pbx-software/", "https://sourceforge.net/directory/voip/", "https://getvoip.com/blog/free-call-center-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.societ.com/blog/nonprofit-resources/top-5-voip-software-solutions-for-nonprofits/", "https://getvoip.com/blog/open-source-pbx/", "https://gitnux.org/best/voip-phone-software/", "https://www.softwaresuggest.com/cloud-telephony-software/free-open-source-softwares", "https://aircall.io/nonprofits/", "https://dialraven.com/blog/voip-for-nonprofits", "https://www.nextiva.com/blog/voip-for-nonprofits.html", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.ritelephone.com/voip-for-charities/"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2021-07-21", "last_updated": "2026-02-23", "place_metadata": null, "snippet": "", "source": "web", "title": "VOIP for small non-profit, or something else? - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/oocrtl/voip_for_small_nonprofit_or_something_else/"}, {"date": "2025-06-30", "last_updated": "2025-07-07", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open Source VoIP Software", "url": "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software"}, {"date": "2025-05-30", "last_updated": "2025-05-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Rated VoIP Software with Non profits 2026 | GetApp", "url": "https://www.getapp.com/it-communications-software/voip/org/non-profits/"}, {"date": null, "last_updated": "2025-11-04", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Best Free Open Source PBX Software in 2024", "url": "https://krispcall.com/blog/open-source-pbx-software/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2025-12-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Free and Open-Source Call Center Software - GetVoIP", "url": "https://getvoip.com/blog/free-call-center-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2020-03-12", "last_updated": "2026-08-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 5 VOIP Software Solutions For Nonprofits - Societ", "url": "https://www.societ.com/blog/nonprofit-resources/top-5-voip-software-solutions-for-nonprofits/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-02-11", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-software/"}, {"date": null, "last_updated": "2026-04-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Cloud Telephony & IVRS Software", "url": "https://www.softwaresuggest.com/cloud-telephony-software/free-open-source-softwares"}, {"date": "2022-11-29", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "", "source": "web", "title": "Nonprofit Software: VoiP Call Center Solution - Aircall", "url": "https://aircall.io/nonprofits/"}, {"date": "2026-07-15", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "", "source": "web", "title": "VoIP for Nonprofits: Best Phone System Features & How to Choose", "url": "https://dialraven.com/blog/voip-for-nonprofits"}, {"date": "2024-01-05", "last_updated": "2026-04-20", "place_metadata": null, "snippet": "", "source": "web", "title": "VoIP for Nonprofits: Top Features & Benefits for NGOs - Nextiva", "url": "https://www.nextiva.com/blog/voip-for-nonprofits.html"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2026-04-22", "last_updated": "2026-07-15", "place_metadata": null, "snippet": "", "source": "web", "title": "VoIP for Charities: A Buyer's Guide to Affordable Nonprofit Phone ...", "url": "https://www.ritelephone.com/voip-for-charities/"}]}
{"engine": "perplexity", "model": "sonar", "index": 14, "phrasing": "We need an open source PBX with multi-tenant support for a managed service provider. What software should we buy or deploy?", "citations": ["https://www.ict.vision/ict-pbx", "https://github.com/sipstack/sipstack", "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704", "https://github.com/g613/virtual-pbx", "https://developers.cloudonix.com/opbx", "https://www.reddit.com/r/msp/comments/78ajpk/white_label_multitenant_pbx_platform/", "https://github.com/fusionpbx/fusionpbx", "https://github.com/fusionpbx", "https://www.fspbx.com/", "https://github.com/a4business/MPBX", "https://www.whichvoip.com/articles/fusionpbx-tutorial.htm", "https://www.pbxforums.com/threads/other-multi-tenant-pbx.6653/", "https://community.asterisk.org/t/building-a-multi-tenant-asterisk-platform/98324", "https://www.anrizvoip.com/voip-opensource-development/", "https://hapbx.com/open-source-pbx/", "https://www.portsip.com/2023/12/12/multi-tenant-pbx-genuine/", "https://www.pbxforums.com/threads/step-by-step-inbound-multi-tenant.744/", "https://vitalpbx.com/multi-tenant-pbx/", "https://astppbilling.org/multi-tenant-ip-pbx-software-top-5-features", "https://xorcom.com/multi-tenant-pbx/"], "search_results": [{"date": "2019-05-02", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "White label, multi-tenant PBX management web application built with **Angular 13** (ngx-admin / Nebular UI).\n...\nICTPBX is a fully open source PBX management platform built for ISPs, ITSPs, and service providers who need a white label, multi-tenant phone system to resell under their own brand.\nThe f...", "source": "web", "title": "ICTPBX – White Label Multi-Tenant PBX Management - ICT Vision", "url": "https://www.ict.vision/ict-pbx"}, {"date": "2021-06-15", "last_updated": "2026-04-16", "place_metadata": null, "snippet": "SIPSTACK is multi-tenant PBX platform with advanced scriptable capabilities extending features to the imagination!\n...\nThe open source multi-tenant, white-label SIP based PBX system.", "source": "web", "title": "GitHub - sipstack/sipstack: The open source multi-tenant, white-label SIP based PBX system.", "url": "https://github.com/sipstack/sipstack"}, {"date": "2016-10-24", "last_updated": "2026-03-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source solution for cloud-based multi-tenant PBX?", "url": "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704"}, {"date": "2015-05-13", "last_updated": "2026-04-17", "place_metadata": null, "snippet": "The virtual-pbx application is designed for processing incoming/outgoing calls in an isolated\nenvironment (numbered plan, routing calls, phones, cdrs, web gui and so forth. ) for multiple users.\n...\nSupport Multi-tenant asterisk with Kamailio as sip registrar server / load balancer.", "source": "web", "title": "GitHub - g613/virtual-pbx: Multi Tenant PBX Platform", "url": "https://github.com/g613/virtual-pbx"}, {"date": null, "last_updated": "2026-07-07", "place_metadata": null, "snippet": "OPBX is an open-source, multi-tenant business PBX platform built on top of the Cloudonix CPaaS.\nIt provides a complete phone system for organizations of any size, combining a Laravel 12 backend, a React 18 frontend, a Go dialer worker for outbound campaigns, and a Java/Vert.x 5 AMD worker for stream...", "source": "web", "title": "Welcome to OPBX | Cloudonix Developer Resources", "url": "https://developers.cloudonix.com/opbx"}, {"date": "2017-10-23", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "FusionPBX operates on FreeSWITCH.\nIt has a great web managed GUI, offers multitenancy, and scales beautifully.\n...\n-  I strongly suggest KAZOO by 2600hz.\nThose guys know VoIP.\nIt's both white label, multi-tenant, and open source.\nIt uses Kamailio, Freeswitch, and custom Erlang under the hood.\nhttps:...", "source": "web", "title": "White label multi-tenant PBX platform : r/msp - Reddit", "url": "https://www.reddit.com/r/msp/comments/78ajpk/white_label_multitenant_pbx_platform/"}, {"date": "2015-06-30", "last_updated": "2025-10-11", "place_metadata": null, "snippet": "FusionPBX can be used as a single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, VoIP server, voicemail server, conference server, voice application server, multi-tenant appliance framework and more.\n...\nOfficial FusionPBX - A full-featured domain based multi...", "source": "web", "title": "Official FusionPBX - A full-featured domain based multi-tenant PBX ...", "url": "https://github.com/fusionpbx/fusionpbx"}, {"date": "2025-07-05", "last_updated": "2025-07-07", "place_metadata": null, "snippet": "Is used as a highly available single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, and more...Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.", "source": "web", "title": "FusionPBX", "url": "https://github.com/fusionpbx"}, {"date": null, "last_updated": "2026-07-28", "place_metadata": null, "snippet": "FS PBX is designed with VoIP service providers in mind, particularly those needing a white-label PBX solution for their customers.\nIt supports full multi-tenancy, allowing you to host multiple client PBX instances on a single system – each client (tenant) is completely separated in the database and ...", "source": "web", "title": "FS PBX – Open Source PBX Dashboard for VoIP Providers", "url": "https://www.fspbx.com/"}, {"date": "2018-03-16", "last_updated": "2026-04-18", "place_metadata": null, "snippet": "Multi-tenant hosted PBX based on asterisk.\nSingle server for 100+ undepnded offices PBX.\n...\nEach client (or separate office, tenant) has a dedicated, isolated cloud PBX , with separate :\n- exntensions (with PBX functions — followme, Forward, Voice/Video Mail, Blacklists etc..)\n...\n- Call parkign sp...", "source": "web", "title": "GitHub - a4business/MPBX: Multitenant PBX", "url": "https://github.com/a4business/MPBX"}, {"date": null, "last_updated": "2026-06-27", "place_metadata": null, "snippet": "FusionPBX is a powerful open-source PBX platform that is scalable, adaptable and intuitive to use.\n...\nFusionPBX is an open source piece of software that is essentially a Graphical User Interface (GUI) for FreeSWITCH, using the GUI to create and edit XML files that are then used to control the switc...", "source": "web", "title": "FusionPBX Tutorial - WhichVoIP", "url": "https://www.whichvoip.com/articles/fusionpbx-tutorial.htm"}, {"date": "2022-12-31", "last_updated": "2025-09-05", "place_metadata": null, "snippet": "", "source": "web", "title": "Other multi tenant pbx - FusionPBX Forums", "url": "https://www.pbxforums.com/threads/other-multi-tenant-pbx.6653/"}, {"date": "2023-08-22", "last_updated": "2026-03-08", "place_metadata": null, "snippet": "HoduPBX Is based on free switch which is similar to Asterisk and does this by making resellers tenants and extensions.\n...\nThere are a number of Multi Tenant PBXs based on Asterisk; VitalPBX, MitraPBX, Voxo, Xorcom and many more.\n...\nIf you want there is Wazo Platform (https://wazo-platform.org) whi...", "source": "web", "title": "Building a Multi-Tenant Asterisk Platform", "url": "https://community.asterisk.org/t/building-a-multi-tenant-asterisk-platform/98324"}, {"date": null, "last_updated": "2026-07-23", "place_metadata": null, "snippet": "Best for: Contact centers, carrier-grade platforms, multi-tenant PBX systems, large-scale IVR deployments.\n...\nA highly advanced, full-featured graphical interface built strictly on FreeSWITCH.\nNatively designed for multi-tenant environments, making it ideal for hosting multiple businesses or contac...", "source": "web", "title": "Open Source VoIP Development - FreeSWITCH, Asterisk ...", "url": "https://www.anrizvoip.com/voip-opensource-development/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "Its defining feature is multi-tenancy.\nThis allows a single server to host multiple separate domains for different clients, keeping their data and traffic completely isolated.", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2023-12-12", "last_updated": "2025-10-26", "place_metadata": null, "snippet": "PortSIP PBX, on the other hand, offers a genuine multi-tenant PBX solution.\nUnlike other PBX systems that necessitate a separate PBX instance for each tenant, PortSIP PBX enables service providers to establish a single instance and create over 100K tenants within that PBX instance.\nEach tenant can h...", "source": "web", "title": "Multi-tenant PBX: Genuine or Pseudo? - PortSIP", "url": "https://www.portsip.com/2023/12/12/multi-tenant-pbx-genuine/"}, {"date": "2018-02-09", "last_updated": "2026-03-05", "place_metadata": null, "snippet": "", "source": "web", "title": "Step by step inbound multi-tenant - FusionPBX Forums", "url": "https://www.pbxforums.com/threads/step-by-step-inbound-multi-tenant.744/"}, {"date": "2025-07-16", "last_updated": "2026-01-08", "place_metadata": null, "snippet": "", "source": "web", "title": "Multi Tenant PBX Solution | VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/multi-tenant-pbx/"}, {"date": "2025-10-23", "last_updated": "2026-07-31", "place_metadata": null, "snippet": "A Multi-Tenant IP PBX (Private Branch Exchange) is a VoIP-based communication system that allows multiple tenants or subaccounts to operate independently under a single platform.\nEach tenant—such as a business branch, reseller, or client—can securely manage their own users, extensions, and configura...", "source": "web", "title": "Top 5 Features of Multi Tenant IP PBX Software in 2025 - ASTPP", "url": "https://astppbilling.org/multi-tenant-ip-pbx-software-top-5-features"}, {"date": "2019-01-27", "last_updated": "2026-05-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Multi-Tenant PBX (Private Branch Exchange), cloud platform for ...", "url": "https://xorcom.com/multi-tenant-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 15, "phrasing": "What open source self-hosted PBX software is easiest to configure and manage?", "citations": ["https://hapbx.com/open-source-pbx/", "https://opensourcerepo.co.uk/voip/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.freepbx.org/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://www.mikopbx.com/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://getvoip.com/blog/open-source-pbx/", "https://www.asterisk.org/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://sourceforge.net/directory/pbx/linux/", "https://forums.lawrencesystems.com/t/suggestions-for-hosting-a-pbx-system-at-home/25168", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.3cx.com/pbx/", "https://www.yeastar.com/self-hosted-pbx/"], "search_results": [{"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "It provides a polished, commercial-grade experience with zero configuration hassles.\n...\n**Quick Comparison: Top Open Source PBX Platforms**\n|**Platform**|**Core Engine**|**Interface (GUI)**|**Difficulty**|**Best For**|\n|--|--|--|--|--|\n|**Asterisk**|Asterisk|No (CLI only)|Expert|Developers building...", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Voice over IP (VoIP)", "url": "https://opensourcerepo.co.uk/voip/"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "Switched to 3CX and its much simpler to run and configure.", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "PBXInAFlash is designed to really make it possible to set up the PBX server of yours, as the title puts it, in a flash.\n...\nWith the main goal of no bugs and no bloat, PBXInAFlash appears to be the easiest and quickest answer to adopt.", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n...\n|FusionPBX|—|✓|—|—|Multi-tenant PBX; web UI; teams wanting FreeSWITCH without the config pain|\n...\n**If you need a complete, self-hosted PBX and can invest in setup**, start with FusionPBX—it's FreeSWITCH with a UI, cutting deployment...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "### Easy manage via browser\nDon't want to deal with Asterisk?\nDo you want a simple and flexible telephony?\nMikoPBX is the best choice!\nEasy to install and manage via web interface by yourself!", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|2.\nAsterisk|Open source PBX toolkit with IVR, call routing, conferencing, and VoIP capabilities.|Free (self-hosted)|Highly customizable with strong community support and modular structure.|Requires advanced technical knowledge and manual configuration.|...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nHere are some suggestions for organizations of various sizes and industries:\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses: OpenPBX, Kamailio, or OpenSIPS\n- Best...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2025-06-05", "last_updated": "2026-05-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Suggestions for Hosting a PBX System at Home - VoIP", "url": "https://forums.lawrencesystems.com/t/suggestions-for-hosting-a-pbx-system-at-home/25168"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "You're a single business with under 100 extensions, on-premise or self-hosted, and you don't plan to resell voice service.\n**Pick Asterisk plus FreePBX.** The community is huge, the deployment is well-trodden, and the feature set is more than enough for an internal phone system.\n...\nThere isn't a si...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "With FreePBX Distro, you can quickly install and configure your Asterisk-based open-source PBX system.", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "3CX PBX is easy for your IT team to install and manage.\nNo prior telco experience needed.", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "Yeastar P-Series is a phone system hosted in the cloud or self-managed.", "source": "web", "title": "Self-hosted PBX Phone System for Business - Yeastar", "url": "https://www.yeastar.com/self-hosted-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 16, "phrasing": "Best free and open source IP-PBX for a hotel phone system", "citations": ["https://go.clearlyip.com/articles/pdfs/freepbx-hotel-telephony-solutions.pdf", "https://www.freepbx.org/", "https://www.freepbx.org/freepbx17/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.mikopbx.com/", "https://sourceforge.net/directory/voip/", "https://hapbx.com/open-source-pbx/", "https://www.voip-info.org/open-source-voip-software/", "https://www.freepbx.org/get-started/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://github.com/freepbx", "https://voipforum.io/10-best-open-source-softswitch-for-free/", "https://nerdvittles.com/new-hospitality-management-system-for-asterisk/", "https://getvoip.com/blog/open-source-pbx/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.3cx.com/phone-system/linux-pbx/", "https://callwave.com/open-source-pbx/", "https://hapbx.com/free-pbx/", "https://xorcom.com/tag/open-source-ip-pbx/"], "search_results": [{"date": null, "last_updated": "2025-09-18", "place_metadata": null, "snippet": "FreePBX is a widely-used open-source GUI for managing Asterisk PBX systems, and it can be an\nexcellent telephony platform for hotels and hospitality properties.", "source": "web", "title": "FreePBX: Telephony Solutions for Hotels & Hospitality", "url": "https://go.clearlyip.com/articles/pdfs/freepbx-hotel-telephony-solutions.pdf"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-07-07", "last_updated": "2025-10-25", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX 17", "url": "https://www.freepbx.org/freepbx17/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2025-07-25", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Freepbx - All The Built-In...", "url": "https://www.freepbx.org/get-started/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-07-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX", "url": "https://github.com/freepbx"}, {"date": "2022-09-15", "last_updated": "2025-01-09", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Best Open Source Softswitch for Free - VoIP Forum", "url": "https://voipforum.io/10-best-open-source-softswitch-for-free/"}, {"date": "2009-07-21", "last_updated": "2024-12-17", "place_metadata": null, "snippet": "", "source": "web", "title": "New, Free Hospitality Management System for Asterisk", "url": "https://nerdvittles.com/new-hospitality-management-system-for-asterisk/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2023-09-08", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "your free linux pbx: flexible, secure & easy - 3CX", "url": "https://www.3cx.com/phone-system/linux-pbx/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": null, "last_updated": "2026-06-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source IP-PBX | Xorcom", "url": "https://xorcom.com/tag/open-source-ip-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 17, "phrasing": "We are a medical clinic needing a self-hosted HIPAA compliant open source PBX. What software should we use?", "citations": ["https://inkbox.ai/blog/open-telephony-stack", "https://community.spiceworks.com/t/freepbx-hosted-in-the-cloud-and-hipaa/499648", "https://www.freepbx.org/", "https://www.redstonesystems.com/blog/483.html", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.linkedin.com/posts/inai-wiki_vectorlyappopen-telephony-stack-a-hipaa-compliant-activity-7414422307626123264-UZQS", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.asterisk.org/", "https://www.voip-info.org/open-source-voip-software/", "https://sourceforge.net/projects/issabelpbx/", "https://www.virtualpbx.com/industries/healthcare/", "https://www.pbx.im/solutions/healthcare", "https://www.dograh.com/voice-ai-for-healthcare", "https://getvoip.com/blog/free-cloud-pbx/", "https://www.pbx.im/blog/hipaa-compliant-voip-for-healthcare-security-best-practices", "https://sourceforge.net/directory/pbx/", "https://www.accountablehq.com/post/healthcare-voip-solutions-hipaa-compliant-phone-systems-for-clinics-and-hospitals", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://getvoip.com/blog/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"], "search_results": [{"date": null, "last_updated": "2026-05-16", "place_metadata": null, "snippet": "So, we built our own stack: Asterisk (an open-source PBX), AWS Chime SDK (for SIP trunking and phone numbers), and a FastAPI shim that bridges old-school telephony to modern WebSocket APIs.", "source": "web", "title": "An open-source, HIPAA-eligible Twilio alternative - Inkbox", "url": "https://inkbox.ai/blog/open-telephony-stack"}, {"date": "2016-05-26", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX, Hosted in the Cloud and Hipaa - Spiceworks Community", "url": "https://community.spiceworks.com/t/freepbx-hosted-in-the-cloud-and-hipaa/499648"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2024-08-13", "last_updated": "2025-10-08", "place_metadata": null, "snippet": "The healthcare industry faces unique communication challenges,with a focus on patient privacy,regulatory compliance(especially HIPAA),and reliable coordination between care teams.Healthcare providers—from hospitals and clinics to home health agencies—need an IP-PBX system that protects patient data,...", "source": "web", "title": "IP-PBX for Healthcare:Redstone's HIPAA-Compliant Communication ...", "url": "https://www.redstonesystems.com/blog/483.html"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\n- **Full data control.** Self-hosting keeps call recordings, chat logs, and metadata on...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2026-01-06", "last_updated": "2026-01-14", "place_metadata": null, "snippet": "VectorlyApp/open-telephony-stack: A HIPAA-Compliant DIY Alternative to Twilio for Voice AI Applications Using Asterisk PBX and AWS Chime SIP Trunking.\nhttps://lnkd.in/gdqe8Hmz Unlocking the Future of Healthcare Communication: The Open Telephony Stack Introducing a HIPAA-eligible, production-ready te...", "source": "web", "title": "Unlock HIPAA-Compliant Telephony with Open Telephony Stack", "url": "https://www.linkedin.com/posts/inai-wiki_vectorlyappopen-telephony-stack-a-hipaa-compliant-activity-7414422307626123264-UZQS"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "- Its data centers are SSAE 16 SOC 1- and SOC 2 Type 1-certified and HIPAA- and PCI DSS-compliant.", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with H.323 GW\n- sipwitch: GNU project’s Pure SIP c...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2022-03-08", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "IssabelPBX download", "url": "https://sourceforge.net/projects/issabelpbx/"}, {"date": "2026-02-17", "last_updated": "2026-06-12", "place_metadata": null, "snippet": "We are proud to say we are a HIPAA compliant VoIP provider and are working our way quickly to being HIPAA Certified.", "source": "web", "title": "Healthcare Communications: HIPAA Compliant VoIP - VirtualPBX", "url": "https://www.virtualpbx.com/industries/healthcare/"}, {"date": "2024-08-30", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "PBX.IM not only is a HIPAA-compliant voip solution for healthcare, but also ISO27001 and GDPR compliant, with a 99.99% uptime guarantee and boasting multiple data centers on every continent.", "source": "web", "title": "VoIP Cloud Phone System for Healthcare & Medical Offices", "url": "https://www.pbx.im/solutions/healthcare"}, {"date": null, "last_updated": "2026-08-06", "place_metadata": null, "snippet": "Dograh is open source under BSD 2-Clause.\nSelf-host it inside your HIPAA-controlled environment and patient audio never leaves.\n...\nDograh is open-source software you deploy in a HIPAA-compliant manner.\nWith self-hosting you control all patient data inside your own infrastructure.", "source": "web", "title": "HIPAA-ready voice agents for healthcare.", "url": "https://www.dograh.com/voice-ai-for-healthcare"}, {"date": "2025-08-03", "last_updated": "2026-08-07", "place_metadata": null, "snippet": "|**Provider**|**How Free**|**User limit**|**Standout Features**|**Best For**|\n...\n|Freshdesk|Free forever plan|Up to 2 agents|- Ticketing System - Customizable reporting templates - Shared inbox|Businesses in the healthcare industry that need high security, reliability, and scalability|\n...\n|FreePBX...", "source": "web", "title": "7 Best Free Cloud PBX Providers - GetVoIP", "url": "https://getvoip.com/blog/free-cloud-pbx/"}, {"date": "2025-01-20", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "A HIPAA-compliant VoIP system must offer encryption, secure access controls, and audit logging.\nAdditionally, the provider must sign a Business Associate Agreement (BAA) to ensure they protect ePHI.", "source": "web", "title": "HIPAA-Compliant VoIP: What it is, Security, & Best Practices - PBX.IM", "url": "https://www.pbx.im/blog/hipaa-compliant-voip-for-healthcare-security-best-practices"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-10-03", "last_updated": "2026-06-10", "place_metadata": null, "snippet": "- End-to-end protection with TLS/SRTP, encrypted messaging, and encrypted voicemail and recordings.\n- RBAC, SSO/MFA, administrator approval workflows, and comprehensive audit logs with export options for compliance teams.\n- Compliance recording with pause/resume, automated redaction, and transcripti...", "source": "web", "title": "HIPAA-Compliant Phone Systems for Clinics and Hospitals", "url": "https://www.accountablehq.com/post/healthcare-voip-solutions-hipaa-compliant-phone-systems-for-clinics-and-hospitals"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "", "source": "web", "title": "74 Open Source VoIP Apps & Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 18, "phrasing": "What is the best open source PBX software for a multi-location retail business?", "citations": ["https://www.freepbx.org/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://vicistack.com/blog/open-source-call-center-software/", "https://hapbx.com/open-source-pbx/", "https://www.ictfax.com/open-source-communications-soft-switches-ip-telephony-applications/", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://sourceforge.net/directory/pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704", "https://callwave.com/open-source-pbx/", "https://astppbilling.org/", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.voip-info.org/open-source-voip-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://www.g2.com/discussions/what-s-the-best-software-for-multi-location-pbx-management", "https://github.com/fusionpbx/fusionpbx", "https://vitalpbx.com/"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "VICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.\n...\nBut for any operation that includes outbound dialing, campaign management, or predictive dialin...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2022-06-02", "last_updated": "2026-05-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Soft Switches & IP Telephony Apps - ICTFax", "url": "https://www.ictfax.com/open-source-communications-soft-switches-ip-telephony-applications/"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses: OpenPBX, Kamailio, or OpenSIPS\n- Best for small remote teams: 3CX\n- Best for those in the education/government sec...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2016-10-24", "last_updated": "2026-03-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source solution for cloud-based multi-tenant PBX? - General Help", "url": "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2026-07-29", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**ASTPP** is renowned as the #1 open source VoIP Billing Solution based on FreeSWITCH.", "source": "web", "title": "ASTPP: Open Source VoIP Billing Solution", "url": "https://astppbilling.org/"}, {"date": "2026-01-07", "last_updated": "2026-01-22", "place_metadata": null, "snippet": "|Provider|Best For|Key Features|Pricing|Unique Differentiator|\n...\nIt depends on your budget and requirements, but if you want access to advanced features at competitive rates, then CallHippo is your best choice.", "source": "web", "title": "Top 10 Free Open Source PBX Software Solutions for ...", "url": "https://callhippo.com/blog/general/free-pbx-open-source-software"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "- **Consider integration requirements carefully.** CRM integration, calendar synchronization, and connections to collaboration platforms improve workflow efficiency.\nVerify that prospective platforms support your essential business applications.\n- **Calculate total ownership costs.** Initial pricing...", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": null, "last_updated": "2026-02-18", "place_metadata": null, "snippet": "", "source": "web", "title": "What's the best software for multi-location PBX management?", "url": "https://www.g2.com/discussions/what-s-the-best-software-for-multi-location-pbx-management"}, {"date": "2015-06-30", "last_updated": "2025-10-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Official FusionPBX - A full-featured domain based multi-tenant PBX ...", "url": "https://github.com/fusionpbx/fusionpbx"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}]}
{"engine": "perplexity", "model": "sonar", "index": 19, "phrasing": "Open source self-hosted PBX software comparison", "citations": ["https://ictpbx.com/open-source-pbx-software-2/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://voiso.com/articles/best-open-source-call-center-software/", "https://hapbx.com/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://vicistack.com/blog/open-source-call-center-software/", "https://gitnux.org/best/voip-phone-software/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://hapbx.com/free-pbx/", "https://zipdo.co/best/ip-phone-software/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://getvoip.com/blog/open-source-pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.freepbx.org/", "https://www.asterisk.org/", "https://www.yeastar.com/self-hosted-pbx/"], "search_results": [{"date": "2026-05-07", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "|Platform|Best For|Multi-Tenant|Web Dashboard|White-Label|Setup Effort|\n...\n|Asterisk + FreePBX|Single business, on-premise|Workarounds only|FreePBX|Custom work|Medium|\n|FreeSWITCH (vanilla)|Custom builds, contact center engines|You build it|None|You build it|High|\n|ICTPBX|ITSPs, MSPs, hosted voice ...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer’s Guide", "url": "https://ictpbx.com/open-source-pbx-software-2/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n...\n|Asterisk|—|✓|—|—|High-call-volume PBX; mature ecosystem; teams comfortable with C|\n|Kamailio|GPL|✓|✓|—|Carrier-grade SIP routing; extreme scalability; telecom operators|\n|Routr|MIT|✓|—|—|Programmable SIP; modern stack; teams preferri...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, ACD, IVR, call recording, CRM integration, web-based agent interface.|Free (open-source) or $400/month (hosted)|Powerful for high-volume outbound campaigns with predictive dialing and reporting.|Interface can feel dated; r...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "**Quick Comparison: Top Open Source PBX Platforms**\n|**Platform**|**Core Engine**|**Interface (GUI)**|**Difficulty**|**Best For**|\n|--|--|--|--|--|\n|**Asterisk**|Asterisk|No (CLI only)|Expert|Developers building custom apps|\n|**FreePBX**|Asterisk|Yes (Web)|Medium|SMBs & Standard Office VoIP|\n|**Fusi...", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "1. **Asterisk**: This is one of the most popular open-source PBX solutions.\nIt offers a high level of customization and control, allowing you to set up extensions, manage calls, and implement recording features.\n...\n2. **FreePBX**: Built on top of Asterisk, FreePBX provides a user-friendly web inter...", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Platform|Outbound Predictive Dialing|Inbound ACD|Campaign Management|Lead List Handling|Real-Time Monitoring|Active Development|\n|--|--|--|--|--|--|--|\n|**VICIdial**|Yes (native)|Yes|Yes|Yes|Yes|Yes (SVN trunk)|\n|**Asterisk**|Build it yourself|Build it yourself|No|No|No|Yes|\n|**FreePBX**|No|Yes (ba...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-02-11", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "Asterisk is an open-source PBX platform that supports VoIP calling, IVR, call queues, SIP trunking, and custom dial plans.", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "|**Feature**|**Free / Open-Source PBX**|**HAPBX Managed Cloud**|\n|--|--|--|\n|**Upfront License**|$0 (GPL)|Affordable Annual/Monthly|\n|**Hardware/Hosting**|You pay for VPS or Server|Included in Infrastructure Fee|\n|**Redundancy**|None (Single Point of Failure)|**High Availability (Global Cluster)**|\n...", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": "2026-03-12", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|#|Tools|Category|Value|Overall|\n...\n|1|3CX Phone System|self-hosted PBX|9.6/10|9.4/10|\n|2|FreePBX|open-source PBX|9.3/10|9.0/10|\n|3|Asterisk|telephony engine|8.7/10|8.8/10|\n|4|FusionPBX|Asterisk GUI|8.2/10|8.5/10|\n|5|FreeSWITCH|VoIP switch|8.1/10|8.2/10|\n|6|Kamailio|SIP proxy|8.0/10|7.9/10|", "source": "web", "title": "Top 10 Best Ip Phone Software | Tested in 2026", "url": "https://zipdo.co/best/ip-phone-software/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nFreePBX is the best starti...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/Chat - Unified Messaging|Universities an...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "1. Asterisk\n2. SIP Foundry\n3. FreePBX", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business", "url": "https://www.yeastar.com/self-hosted-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 20, "phrasing": "What open source IP PBX software supports flexible custom IVR and dialplan scripting?", "citations": ["https://www.voip-info.org/open-source-voip-software/", "https://cloudsmallbusinessservice.com/blog/best-open-source-ivr-software-98453.html", "https://getvoip.com/blog/free-ivr-software/", "https://www.freepbx.org/", "https://www.getapp.com/it-communications-software/ivr/p/open-source/", "https://www.asterisk.org/", "https://www.scribd.com/doc/70638404/Open-Source-Asterisk-IP-PBX-Call-Center-Dialer-Predictive-Dialer-Hosted-Dialer-IVR-Voice-Logger-FMC-Gateway", "https://www.dograh.com/feeds/service/open-source-ivr-platform", "https://github.com/FreePBX/ivr", "https://www.reddit.com/r/sysadmin/comments/fnwcf/any_suggestions_on_an_open_source_ivr_solution/", "https://callhippo.com/blog/general/open-source-and-free-ivr-software", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://getvoip.com/blog/open-source-pbx/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.asttecs.com/blog/open-source-ip-telephony-advantages/", "https://ictinnovations.com/open-source-voip-software-top-ip-telephony-application/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://html.com/blog/voip-top-50-open-source-voip-apps/", "https://sourceforge.net/directory/telephony/"], "search_results": [{"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n...\n## IVR / Voice Mail platforms\n- Asterisk: Open Source PBX with built-in IVR server\n- Bayonne: GNU project IVR server\n- ICTDialer An Open Source smart autodialer software bundled with graphical IVR Designer tools.\n- O...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2024-05-16", "last_updated": "2025-06-27", "place_metadata": null, "snippet": "ICTDialer is bundled with free and open source web-based IVR designer that can design your IVR through interactive, graphical, drag and drop feature.\n...\nCallButler is a FREE Windows-based open source PBX, IVR and Auto-Attendant Phone System built on .NET.", "source": "web", "title": "Best Open Source IVR Software", "url": "https://cloudsmallbusinessservice.com/blog/best-open-source-ivr-software-98453.html"}, {"date": null, "last_updated": "2026-07-18", "place_metadata": null, "snippet": "| |**How Free**|**Call Recording**|**Voice Customization**|**Text to Speech**|**Call Logging**|**Voicemail**|\n...\n|**Ekiga**|Totally Free|No|No|Yes|No|Yes|\n|**MicroSIP**|Partially Free|No|Yes|Yes|No|No|\n|**Voxibot**|Partially Free|Yes|Yes|Yes|Yes|Yes|\n|**VBVoice by Pronexus**|Totally Free|Yes|Yes|Ye...", "source": "web", "title": "The Best Free and Open-Source IVR Software", "url": "https://getvoip.com/blog/free-ivr-software/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-03-03", "last_updated": "2026-03-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Rated IVR Software with Open source 2026 - GetApp", "url": "https://www.getapp.com/it-communications-software/ivr/p/open-source/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-07-01", "last_updated": "2025-07-01", "place_metadata": null, "snippet": "Open Source Asterisk IP PBX Call Center Dialer Predictive Dialer Hosted Dialer IVR Voice Logger FMC Gateway\nAsterisk is free and open source software that turns an ordinary computer into a communications server.", "source": "web", "title": "Open Source Asterisk IP PBX Call Center Dialer Predictive Dialer Hosted Dialer IVR Voice Logger FMC Gateway", "url": "https://www.scribd.com/doc/70638404/Open-Source-Asterisk-IP-PBX-Call-Center-Dialer-Predictive-Dialer-Hosted-Dialer-IVR-Voice-Logger-FMC-Gateway"}, {"date": null, "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source IVR Platforms – Free Self-Hosted Deployment - Dograh", "url": "https://www.dograh.com/feeds/service/open-source-ivr-platform"}, {"date": "2014-01-07", "last_updated": "2026-04-17", "place_metadata": null, "snippet": "This is a module for FreePBX©.\n...\nModule of FreePBX (IVR) :: Creates Digital Receptionist (aka Auto-Attendant, aka Interactive Voice Response) menus.\nThese can be used to send callers to different locations (eg, Press 1 for sales) and/or allow direct-dialing of extension numbers.", "source": "web", "title": "GitHub - FreePBX/ivr: Module of FreePBX (IVR) :: Creates Digital Receptionist (aka Auto-Attendant, aka Interactive Voice Response) menus. These can be used to send callers to different locations (eg, Press 1 for sales) and/or allow direct-dialing of extension numbers.", "url": "https://github.com/FreePBX/ivr"}, {"date": "2011-02-18", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "AsteriskNOW is free but you would need to write a script in AGI to interface pull the data from the database and read it to the caller.\n...\nIf you're inexperienced try Apstel Visual Dialplan Pro.", "source": "web", "title": "Any suggestions on an open source IVR solution. : r/sysadmin - Reddit", "url": "https://www.reddit.com/r/sysadmin/comments/fnwcf/any_suggestions_on_an_open_source_ivr_solution/"}, {"date": "2026-03-10", "last_updated": "2026-06-30", "place_metadata": null, "snippet": "Asterisk is an open-source telephony platform for building custom IVR systems.\nIt allows businesses to create advanced call flows, automate routing, and integrate voice applications with SIP-based communication infrastructure.\n...\nFreeSWITCH is a powerful open-source communication platform designed ...", "source": "web", "title": "10 Best Free IVR Software & Open Source Options in 2026 - CallHippo", "url": "https://callhippo.com/blog/general/open-source-and-free-ivr-software"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "When an inbound call reaches your call center, open source software uses preconfigured call routing rules and features like interactive voice response (**IVR**) and auto attendants to send customers to their desired destinations.\n...\nAsterisk is a widely used open source PBX framework with call cent...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nCompanies can create and deploy a variety of communication services including Voice over Internet Protocol (VoIP), Interactive Voice Response (IVR), and Automatic Call Distribution (ACD).\n...\n- **IVR: ** Asterisk’s IVR platform includes fe...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2024-07-02", "last_updated": "2026-06-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Asterisk IP PBX | Open Source IP PBX System Solutions - astTECS", "url": "https://www.asttecs.com/blog/open-source-ip-telephony-advantages/"}, {"date": "2017-09-20", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Voip Software , Top IP Telephony Projects in 2023 - ICT Innovations", "url": "https://ictinnovations.com/open-source-voip-software-top-ip-telephony-application/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, ACD, IVR, call recording, CRM integration, web-based agent interface.|Free (open-source) or $400/month (hosted)|Powerful for high-volume outbound campaigns with predictive dialing and reporting.|Interface can feel dated; r...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Asterisk’s PBX software comes packed with standard PBX features such as IVR, ACD, conference calling, and voicemail.", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "**OpenPBX:**Developed by Australian company Voicetronix, OpenPBX is a popular solution both with small offices and with large call centers.\nWith features like unlimited voicemail, auto-attendant, automatic call distribution, music on hold and call parking it’s easy to see why.\nIt also has the advant...", "source": "web", "title": "Top 50 Open Source VoIP Apps", "url": "https://html.com/blog/voip-top-50-open-source-voip-apps/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}]}
{"engine": "perplexity", "model": "sonar", "index": 21, "phrasing": "Recommend a lightweight open source PBX server for a micro business with 10 extensions.", "citations": ["https://community.spiceworks.com/t/best-windows-free-voip-pabx/219401", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://sourceforge.net/directory/pbx/linux/", "https://hapbx.com/open-source-pbx/", "https://www.freepbx.org/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.voip-info.org/open-source-voip-software/", "https://sourceforge.net/directory/pbx/", "https://www.3cx.com/phone-system/linux-pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://www.mikopbx.com/", "https://www.asterisk.org/", "https://github.com/freepbx", "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://vicistack.com/blog/open-source-call-center-software/"], "search_results": [{"date": "2013-06-14", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "3CX is decent, but the free version limits you to 10 extensions I believe, among other unnecessary restrictions.\n...\n@MarcSki the Free version of 3CX Phone system is NOT limited to 10 extensions, it has unlimited extensions but it allows 4 simultaneous calls, the demo version allows 2 calls but allo...", "source": "web", "title": "Best Windows Free VOIP PABX - Software & Applications", "url": "https://community.spiceworks.com/t/best-windows-free-voip-pabx/219401"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "The most famous ones are Asterisk and FreeSIWTCH in the B2BUA world.\n50 to 300 extensions are not much to handle.\nboth can be handled easily.\nAlso, Both have very good APIs and programming interfaces.\nIf you want to have High Availability or Load Balancing in the SIP level you may consider having an...", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "If you're looking for PBX software that you can host on your own server and need to handle 4 to 10 concurrent calls with extensions, along with call recording capabilities, there are several excellent options to consider:\n1. **Asterisk**: This is one of the most popular open-source PBX solutions.\nIt...", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Asterisk is a widely used open source PBX framework with call center components available as add-ons.\nBusinesses often start with a basic phone system and add a third-party call center or delve further into its call center capabilities.\n...\nLinphone\nLinphone isn’t a call center; it’s a popular open ...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "FusionPBX is a multi-tenant PBX and voice switch for FreeSWITCH, a highly scalable, multi-threaded, cross-platform communication platform.\nFusionPBX can be used either as a single or domain based PBX, and offers several functionalities: as carrier grade switch, call center server, voicemail server, ...", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2023-09-08", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "3CX is an easy to manage, all-in-one communications system for Linux that takes just minutes to install.", "source": "web", "title": "Get a Linux PBX free for unlimited extensions", "url": "https://www.3cx.com/phone-system/linux-pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "# Free simple PBX for your business\n...\nMikoPBX is completely free.\nYou can use paid modules to extend the capabilities of your PBX.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-07-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "FreePBX is an open-source web-based graphical user interface (GUI) that manages Asterisk\n-\n...\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX", "url": "https://github.com/freepbx"}, {"date": "2016-10-24", "last_updated": "2026-03-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source solution for cloud-based multi-tenant PBX?", "url": "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix\n...\n3CX is another open-source PBX software...", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\n...\nVICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.\nFor inbound-only operations ...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}]}
{"engine": "perplexity", "model": "sonar", "index": 22, "phrasing": "What open source PBX software is best for high-volume call concurrency?", "citations": ["https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://vicistack.com/blog/open-source-call-center-software/", "https://opensourceprojects.cc/alternatives/asterisk", "https://tragofone.com/freeswitch-softphone-ultimate-guide-asterisk-pbx-comparison/", "https://hapbx.com/open-source-pbx/", "https://vitalpbx.com/blog/asterisk-pbx-multicore-4500-calls-test/", "https://www.anrizvoip.com/voip-opensource-development/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://gigabpo.com/open-source-call-center-software/", "https://www.freepbx.org/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://ictinnovations.com/best-open-source-contact-center-software-2026/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://sourceforge.net/directory/pbx/linux/", "https://sourceforge.net/directory/telephony/", "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/", "https://www.ictbroadcast.com/cloud-call-center-software-open-source/"], "search_results": [{"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source best PBX sokution : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\n...\nThis is the only open source platform purpose-built for high-volume outbound contact center operations.\n...\n### What is the best open source call center software in 2026?\nVICIdial is the only open source platform purpose-built fo...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-07-12", "last_updated": "2026-07-12", "place_metadata": null, "snippet": "- **Need a drop-in replacement with better scaling and modern architecture:** FreeSWITCH handles 500+ concurrent calls where Asterisk's single-threaded design hits limits, making it the natural upgrade path for growing deployments.\n...\n|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n|-...", "source": "web", "title": "5 Best Open Source Asterisk Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/asterisk"}, {"date": "2024-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|Bottom Line|Asterisk excels as a mature and approachable PBX for traditional business telephony, while FreeSWITCH is built for large-scale, cloud-native, and media-intensive communication platforms.|\n...\n|**Scalability**|Excellent for high-concurrency deployments|Strong for SMB and mid-sized deploy...", "source": "web", "title": "FreeSWITCH vs Asterisk: Which Open-Source PBX Is Better?", "url": "https://tragofone.com/freeswitch-softphone-ultimate-guide-asterisk-pbx-comparison/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "- Guaranteed Performance: By isolating resources, we maintain a stable latency of approximately 50ms and support 100+ concurrent calls by default.", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2023-06-05", "last_updated": "2024-11-20", "place_metadata": null, "snippet": "- Asterisk does not allow more than 4,500 concurrent calls; this is limited in the source code.", "source": "web", "title": "Is Asterisk PBX Multicore? Test With More Than 4,500 ... - VitalPBX", "url": "https://vitalpbx.com/blog/asterisk-pbx-multicore-4500-calls-test/"}, {"date": null, "last_updated": "2026-07-23", "place_metadata": null, "snippet": "Built specifically for high concurrency, stability, and enterprise-grade routing.\nDesigned from the ground up to handle massive call volumes with native multi-tenant architecture support, making it the go-to engine for large contact centers and carrier-grade platforms.\n...\n|Platform|Best For|Scalabi...", "source": "web", "title": "Open Source VoIP Development - FreeSWITCH, Asterisk ...", "url": "https://www.anrizvoip.com/voip-opensource-development/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-09-16", "last_updated": "2026-07-13", "place_metadata": null, "snippet": "### 1.\n...\n- **Best For:** High-volume outbound & blended campaigns\n- **Key Features:** Predictive dialing, real-time monitoring, CRM integration", "source": "web", "title": "Top 10 Open Source Call Center Software Solutions", "url": "https://gigabpo.com/open-source-call-center-software/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nOpenSIPS can handle over 5000 call setups per second.\n...\nKamailio is an open source SIP server able to handle thousands of call setups per second.\n...\nHere are some suggestions for organizations of various sizes and industries:\n- Best for...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-05-02", "last_updated": "2026-07-06", "place_metadata": null, "snippet": "### 2.\nICTBroadcast – Best for High-Volume Outbound and Multi-Channel Broadcasting\nICTBroadcast is a multi-channel outbound broadcasting platform that handles voice, SMS, fax, and email from one installation.\nIt runs on both Asterisk and FreeSWITCH, giving you high-concurrency outbound calling with ...", "source": "web", "title": "Best Open Source Contact Center Software in 2026", "url": "https://ictinnovations.com/best-open-source-contact-center-software-2026/"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}, {"date": "2020-06-13", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Any suggestion for a free open source call center software for our startup? Could VICIDial be good for that? Anyone experienced with it?", "url": "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/"}, {"date": "2026-07-29", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "ICTBroadcast is an open source call center platform built on FreeSWITCH and Asterisk.\n...\nThe software itself is free.", "source": "web", "title": "Cloud Call Center Software: Best Open Source Options for 2026", "url": "https://www.ictbroadcast.com/cloud-call-center-software-open-source/"}]}
{"engine": "perplexity", "model": "sonar", "index": 23, "phrasing": "We want to self-host our office phone system in containers. Which open source PBX software works best?", "citations": ["https://www.freepbx.org/", "https://github.com/escomputers/freepbx-docker", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://getvoip.com/blog/open-source-pbx/", "https://www.asterisk.org/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://hapbx.com/open-source-pbx/", "https://hub.docker.com/r/mikopbx/mikopbx", "https://www.reddit.com/r/selfhosted/comments/1ccoon1/telephony_software_ippbx_voip_that_can_be/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://ictinnovations.com/top-best-free-open-source-pbx-solutions/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://sourceforge.net/directory/pbx/", "https://github.com/mlan/docker-asterisk", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://vicistack.com/blog/open-source-call-center-software/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.mikopbx.com/", "https://www.voip-info.org/open-source-voip-software/"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2023-05-25", "last_updated": "2025-08-10", "place_metadata": null, "snippet": "This is MVP Docker Compose application for having FreePBX - A Voice over IP manager for Asterisk, running in containers.\nUpon starting this multi-container application, it will give you a turnkey PBX system for SIP calling and also enterprise grade security for managing secrets.", "source": "web", "title": "GitHub - escomputers/freepbx-docker: Dockerized FreePBX 16 with Asterisk 16, PHP 7.4, dedicated MySQL database, Hashicorp Vault integration and data persistence", "url": "https://github.com/escomputers/freepbx-docker"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "If you want a turnkey solution and a 5-minute install, nothing comes close to Incredible PBX.", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\n- **REST APIs and webhooks.** Standard across every project on this list.\n- **Container...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n...\nSIP Foundry is a communications solution optimized...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Incredible PBX is an open source project that provides all the components you need to build your own **unified communications** solution.\nYou can deploy Incredible PBX with on-premises hardware including Raspberry Pi, in the cloud on a variety of platforms, or on virtual machine platforms like Virtu...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2024-05-08", "last_updated": "2026-07-27", "place_metadata": null, "snippet": "MikoPBX - a free, open-source PBX with a friendly interface, based on Asterisk core.\n...\nMikoPBX is an open-source GUI (Graphical User Interface) that controls and manages Asterisk (PBX).", "source": "web", "title": "MikoPBX - Docker Hub", "url": "https://hub.docker.com/r/mikopbx/mikopbx"}, {"date": "2024-04-25", "last_updated": "2026-01-18", "place_metadata": null, "snippet": "", "source": "web", "title": "Telephony software (IP-PBX, VoIP) that can be containerized?", "url": "https://www.reddit.com/r/selfhosted/comments/1ccoon1/telephony_software_ippbx_voip_that_can_be/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Top options in 2025** include *VICIdial, Asterisk, FreePBX, 3CX*, and *GOautodial*, each offering varying levels of complexity, UI friendliness, and feature sets.\n...\n## Best Open Source Call Center Software in 2025\n|Provider|Key features|Pricing|Pros|Cons|\n...\n|2.\nAsterisk|Open source PBX toolk...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2015-05-19", "last_updated": "2026-05-30", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Open Source PBX Software Solutions of 2021 - ICT Innovations", "url": "https://ictinnovations.com/top-best-free-open-source-pbx-solutions/"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Once you have installed the necessary software, you should download the specifically designed PBX software.\nThis should come with instructions on how to install it on your machine.\nGenerally this will involve setting up a server – either through a virtual machine or dedicated hardware – and installi...", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2020-06-03", "last_updated": "2025-08-26", "place_metadata": null, "snippet": "This (non official) repository provides dockerized Asterisk PBX.\n...\n- Asterisk powering IP PBX systems and VoIP gateways", "source": "web", "title": "GitHub - mlan/docker-asterisk: Docker image providing Asterisk PBX", "url": "https://github.com/mlan/docker-asterisk"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "1. **Asterisk**: This is one of the most popular open-source PBX solutions.", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "### What is the best open source call center software in 2026?\nVICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.\nFor inbound-only operations with sim...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "You're a single business with under 100 extensions, on-premise or self-hosted, and you don't plan to resell voice service.\n**Pick Asterisk plus FreePBX.** The community is huge, the deployment is well-trodden, and the feature set is more than enough for an internal phone system.\n...\nThere isn't a si...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}]}
{"engine": "perplexity", "model": "sonar", "index": 24, "phrasing": "Best open source PBX for a law firm needing call recording and voicemail to email", "citations": ["https://www.freepbx.org/", "https://www.getapp.com/it-communications-software/call-recording/p/open-source/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.contactcenterworld.com/company/blog/orecx/?id=354855fe-2545-48d8-abce-fa2deeab53a1", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://voiso.com/articles/best-open-source-call-center-software/", "https://voice.ai/hub/ai-voice-agents/free-call-center-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://open-innovation-projects.org/blog/discover-the-best-open-source-software-for-recording-calls-and-revolutionize-your-communication", "https://getvoip.com/blog/open-source-pbx/", "https://sourceforge.net/projects/oreka/", "https://github.com/freepbx/callrecording", "https://www.mikopbx.com/", "https://github.com/voiceip/oreka", "https://us.fitgap.com/search/call-recording-software/open-source", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hapbx.com/open-source-pbx/", "https://www.asterisk.org/", "https://community.cisco.com/t5/other-collaboration-subjects/open-source-call-recording/td-p/3714682"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-06-16", "last_updated": "2025-06-16", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Call Recording 2025", "url": "https://www.getapp.com/it-communications-software/call-recording/p/open-source/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\nFull predictive dialing, inbound ACD, blended campaigns, call recording, real-time monitoring, agent scripting, and a non-agent API.\n...\n- **Call recording**: Automatic recording of all calls with per-campaign and per-agent configura...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2021-08-24", "last_updated": "2026-08-02", "place_metadata": null, "snippet": "", "source": "web", "title": "VICIdial Open Source Call Recording - OrecX", "url": "https://www.contactcenterworld.com/company/blog/orecx/?id=354855fe-2545-48d8-abce-fa2deeab53a1"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\n...\n|3.\nFreePBX|GUI for Asterisk with IVR, call queues, voicemail, call recording, and reporting.|Free (self-hosted; optional paid modules)|User-friendly interface on top of Asterisk with easier management for SMBs.|Advanced custom features often req...", "source": "web", "title": "Discover the Best Open Source Call Center Software ...", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2025-10-16", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 18 Free Call Center Software Tools to Power Your Support ...", "url": "https://voice.ai/hub/ai-voice-agents/free-call-center-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2024-01-11", "last_updated": "2025-06-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Software for Recording Calls", "url": "https://open-innovation-projects.org/blog/discover-the-best-open-source-software-for-recording-calls-and-revolutionize-your-communication"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2016-11-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "oreka download", "url": "https://sourceforge.net/projects/oreka/"}, {"date": "2014-01-07", "last_updated": "2026-08-06", "place_metadata": null, "snippet": "This is a module for FreePBX© . FreePBX is an open source GUI (graphical user interface) that controls and manages Asterisk© (PBX).\n...\nModule of FreePBX (Call Recording) :: Provides much of the call recording functionality.", "source": "web", "title": "GitHub - FreePBX/callrecording: Module of FreePBX (Call Recording)", "url": "https://github.com/freepbx/callrecording"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2018-02-22", "last_updated": "2025-10-03", "place_metadata": null, "snippet": "OpenSource G711, G722, G729, Opus & Other Format VoIP SIP Recorder", "source": "web", "title": "voiceip/oreka: OpenSource G711, G722, G729, Opus & ...", "url": "https://github.com/voiceip/oreka"}, {"date": "2025-01-01", "last_updated": "2026-01-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source call recording software of December 2025 | FitGap", "url": "https://us.fitgap.com/search/call-recording-software/open-source"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2018-09-27", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Call Recording - Cisco Community", "url": "https://community.cisco.com/t5/other-collaboration-subjects/open-source-call-recording/td-p/3714682"}]}
{"engine": "perplexity", "model": "sonar", "index": 25, "phrasing": "What open source phone system software can we self-host on mini PCs or low-power hardware?", "citations": ["https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/", "https://www.freepbx.org/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "https://www.opensourcegroups.com/open-source-voip/", "https://opensourcerepo.co.uk/voip/", "https://gitnux.org/best/voip-phone-software/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://github.com/kirklandsig/AIReceptionist", "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php", "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://sourceforge.net/directory/telephony/", "https://www.nextiva.com/blog/open-source-call-center-software.html"], "search_results": [{"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "FreePBX is a nice and open source software suite built on top of Asterisk with a GUI.", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2026-04-11", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "I have been developing an open-source telephony platform designed to serve as a self-hosted alternative to cloud services like Twilio.", "source": "web", "title": "Show HN: Open-source self-hosted telephony platform with composable audio DSL", "url": "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "**Asterisk** – Easy to use but advanced IP PBX system, VoIP gateway and conference server.\n...\n**Freepbx** – Web-based open source GUI that controls and manages Asterisk.\n...\n**FreeSWITCH** – Scalable open source cross-platform telephony platform.\nMPL-2.0 C\n**FusionPBX** – Open source project that p...", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "For video chat, I've used Jitsi, which, when checked today (2021-03-02) has a self hosting guide on their Github repository.\n...\nMatrix.org uses Jitsi as their embedded Video-Call software.\n...\nMatrix also has text chat, is decentralized and self-hostable.\n...\nIf you only want VOIP, I've used Mumble...", "source": "web", "title": "What's a good FOSS X-platform self-hosted VOIP program?", "url": "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"}, {"date": "2026-06-20", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Open source VoIP software lets businesses and individuals replace expensive commercial phone systems with self-hosted solutions built on transparent, community-driven code.\nPlatforms like Asterisk, FreePBX, and FusionPBX provide full-featured PBX capabilities at a fraction of the cost of proprietary...", "source": "web", "title": "Open Source VoIP and PBX Phone Systems", "url": "https://www.opensourcegroups.com/open-source-voip/"}, {"date": null, "last_updated": "2025-11-01", "place_metadata": null, "snippet": "## 3CX PBX\nSelf-host your own PBX system for free for up to 10 users with the Startup version.\n...\nTeamSpeak 3 Client is absolutely FREE to download and install on your PC, Mac or Linux Box.\nOnce installed, you can freely access 1000s of public TeamSpeak servers or even your own private TeamSpeak se...", "source": "web", "title": "Voice over IP (VoIP)", "url": "https://opensourcerepo.co.uk/voip/"}, {"date": "2026-02-11", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "Built for companies needing a self-hosted PBX with queues, IVR, recording, and browser calling.\n...\nBuilt for iT-led teams needing self-hosted Asterisk PBX with visual routing.\n...\n3CX Phone System is built as a self-hosted IP-PBX with inbound routing, IVR, queues, and call recording plus a browser-...", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-software/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Top options in 2025** include *VICIdial, Asterisk, FreePBX, 3CX*, and *GOautodial*, each offering varying levels of complexity, UI friendliness, and feature sets.\n...\n|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, ACD, IVR, call recording, CRM integration, web-base...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-03-02", "last_updated": "2026-05-28", "place_metadata": null, "snippet": "A production-grade, open-source AI receptionist that answers your business phone calls using OpenAI's Realtime API -- the same speech-to-speech model that powers ChatGPT Advanced Voice.\nSelf-hosted.\nNo vendor lock-in.\n...\n- **Self-hosted.** Runs on your infrastructure.\nYour data stays on your server...", "source": "web", "title": "kirklandsig/AIReceptionist: Open-source, self-hosted AI ... - GitHub", "url": "https://github.com/kirklandsig/AIReceptionist"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The open source VoIP ecosystem includes free software for every layer of a telephony stack: PBX systems like Asterisk and FreeSWITCH for call processing, management interfaces like FreePBX and FusionPBX for web-based administration, SIP proxies like Kamailio for large-scale routing, softphone client...", "source": "web", "title": "Free Open Source VoIP Software", "url": "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source or very lost cost VOIP or PBX System at home for Small Business", "url": "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nYou install it on bare met...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "**FreeSWITCH**– FreeSWITCH is a telephony platform designed to facilitate the creation of voice and chat driven products scaling from a soft-phone up to a soft-switch.\nIt can be used as a simple switching engine, a media gateway or a media server to host IVR applications using simple scripts or XML ...", "source": "web", "title": "74 Open Source VoIP Apps & Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "trixbox CE is an easy to install, VOIP phone system based on the Asterisk PBX.\n...\nFirst, you need to download the software from an open source repository like GitHub or SourceForge.\nOnce you've downloaded the software, install it according to instructions provided by the developers and then run the...", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Incredible PBX is an open source project that provides all the components you need to build your own **unified communications** solution.\nYou can deploy Incredible PBX with on-premises hardware including Raspberry Pi, in the cloud on a variety of platforms, or on virtual machine platforms like Virtu...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}]}
{"engine": "perplexity", "model": "sonar", "index": 26, "phrasing": "Self-hosted open source PBX software for financial services firm", "citations": ["https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://selfhostedworld.com/software/asterisk/", "https://www.freepbx.org/", "https://community.freepbx.org/t/fully-self-hosted-voice-ai-for-your-pbx-drop-in-openai-realtime-runs-on-your-own-gpu-open-source/109855", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.opensourcegroups.com/open-source-voip/", "https://sourceforge.net/directory/pbx/linux/", "https://hapbx.com/open-source-pbx/", "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.asterisk.org/", "https://getvoip.com/blog/open-source-pbx/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://sourceforge.net/directory/voip/", "https://www.yeastar.com/self-hosted-pbx/", "https://community.spiceworks.com/t/free-pbx-private-cloud/945099"], "search_results": [{"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't ...", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "- **Shops needing a turnkey PBX without the FreeSWITCH learning curve**: FusionPBX wraps FreeSWITCH itself with a web GUI and multi-tenant features, cutting deployment time dramatically.\n...\n|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n...\n|Asterisk|—|✓|—|—|High-call-volume PBX; mat...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2025-08-09", "last_updated": "2025-08-23", "place_metadata": null, "snippet": "Easy to use but advanced IP PBX system, VoIP gateway and conference server.\n...\n- https://github.com/asterisk/asterisk", "source": "web", "title": "Asterisk - Self-hosted software", "url": "https://selfhostedworld.com/software/asterisk/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-07-08", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "I built and open-sourced a self-hosted, real-time voice AI stack (STT → LLM → TTS) that answers calls and holds a natural spoken conversation, running **entirely on your own box** — no cloud, no per-minute billing, audio never leaves your infra.\n...\n**Repo:** GitHub - infinitocloud/nemo-rt-community...", "source": "web", "title": "drop-in OpenAI Realtime, runs on your own GPU (open source) - AI", "url": "https://community.freepbx.org/t/fully-self-hosted-voice-ai-for-your-pbx-drop-in-openai-realtime-runs-on-your-own-gpu-open-source/109855"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Top options in 2025** include *VICIdial, Asterisk, FreePBX, 3CX*, and *GOautodial*, each offering varying levels of complexity, UI friendliness, and feature sets.\n...\n|Provider|Key features|Pricing|Pros|Cons|\n...\n|1.\nVICIdial|Predictive dialer, ACD, IVR, call recording, CRM integration, web-base...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "If you decide to go down the path however and want to make a living off of it, I suggest you start learning Asterisk or FreeSWITCH.\nFreePBX is a nice and open source software suite built on top of Asterisk with a GUI.", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-06-20", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Open source VoIP software lets businesses and individuals replace expensive commercial phone systems with self-hosted solutions built on transparent, community-driven code.\nPlatforms like Asterisk, FreePBX, and FusionPBX provide full-featured PBX capabilities at a fraction of the cost of proprietary...", "source": "web", "title": "Open Source VoIP and PBX Phone Systems", "url": "https://www.opensourcegroups.com/open-source-voip/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for the server hardware (or cloud VPS hosting), SIP trunking services for outside calls, and the electricity to run it.\nThe biggest hidden cost is the IT labor required for maintenance.", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2018-03-08", "last_updated": "2025-10-25", "place_metadata": null, "snippet": "", "source": "web", "title": "Asterisk PBX - Open Source VOIP IP-PBX Server", "url": "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "The first meaning is a media engine and signaling stack you can self-host: Asterisk and FreeSWITCH are the two foundational projects everyone else builds on.\n...\nThe software is free.\nEverything else is not.\n...\nYou're a single business with under 100 extensions, on-premise or self-hosted, and you d...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Open source call center software is free to use, customizable to the nth degree, and backed by a community of developers.\n...\nIncredible PBX is an open source project that provides all the components you need to build your own **unified communications** solution.\nYou can deploy Incredible PBX with o...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "Yeastar P-Series is a phone system hosted in the cloud or self-managed.\n...\nDeploy flexible and scalable PBX software on your private or public\ncloud, ideal for providers and teams seeking deep customization and\ncost efficiency.", "source": "web", "title": "Self-hosted PBX Phone System for Business", "url": "https://www.yeastar.com/self-hosted-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "2nd option (and this will probably be the easiest and most secure) if you’re only using VoIP phones from office locations is to use branch office VPNs to connect the two locations, then all you need is to point your phones to the internal IP of the phone system and VPN and routing will take care of ...", "source": "web", "title": "free pbx - private cloud - Telecom & VOIP", "url": "https://community.spiceworks.com/t/free-pbx-private-cloud/945099"}]}
{"engine": "perplexity", "model": "sonar", "index": 27, "phrasing": "What is the best open source IP-PBX server for remote and hybrid teams?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hapbx.com/open-source-pbx/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://getvoip.com/blog/open-source-pbx/", "https://www.freepbx.org/", "https://www.voip-info.org/open-source-voip-software/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://gitnux.org/best/voip-phone-software/", "https://medevel.com/2x-os-voip-servers/", "https://community.spiceworks.com/t/open-source-asterisk-pbx-decisions-and-recommendations/493570", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://www.getapp.com/it-communications-software/cloud-pbx/p/open-source/", "https://sourceforge.net/directory/voip/", "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995", "https://vitalpbx.com/"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "If you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\n...\nFreePBX is the best starting point for most organizations, FusionPBX is the right choice for multi-tenant and high-volume deployments, and raw Asterisk or FreeSW...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|3CX|Free for up to 10 users with paid plans available|- Mobile and web apps - Video conferencing - Live chat|Remote and hybrid teams that need a scalable solution|\n...\n- Best for small remote teams: 3CX\n- Best for those in the education/g...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2026-02-11", "last_updated": "2026-06-25", "place_metadata": null, "snippet": "3CX Phone SystemBest overall", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-software/"}, {"date": "2024-03-23", "last_updated": "2025-02-25", "place_metadata": null, "snippet": "", "source": "web", "title": "22 Open-source Free and Open-source VoIP and Sip Servers", "url": "https://medevel.com/2x-os-voip-servers/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Asterisk PBX Decisions and recommendations", "url": "https://community.spiceworks.com/t/open-source-asterisk-pbx-decisions-and-recommendations/493570"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": "2025-07-04", "last_updated": "2025-07-05", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Cloud PBX 2025", "url": "https://www.getapp.com/it-communications-software/cloud-pbx/p/open-source/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2025-06-30", "last_updated": "2025-07-07", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open Source VoIP Software", "url": "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2024-07-29", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "What is the best open source VoIP tech?", "url": "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}]}
{"engine": "perplexity", "model": "sonar", "index": 28, "phrasing": "Recommend an open source self-hosted PBX platform with good WebRTC support.", "citations": ["https://www.reddit.com/r/selfhosted/comments/1seqr7f/project_rustpbx_opensource_sipwebrtc_ippbx/", "https://webrtc.ventures/partners/webrtc-architecture-options/", "https://www.reddit.com/r/coolgithubprojects/comments/1seqxh2/i_built_rustpbx_opensource_sipwebrtc_ippbx/", "https://github.com/topics/pbx", "https://ictpbx.com/", "https://github.com/miroslavpejic85/mirotalk", "https://ithub.global.ssl.fastly.net/topics/asterisk", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://openvidu.io/", "https://www.freepbx.org/", "https://github.com/meetecho/janus-gateway", "https://hapbx.com/open-source-pbx/", "https://www.reddit.com/r/selfhosted/comments/1rs704f/mirotalk_opensource_webrtc_video_calls_selfhosted/", "https://raw.githubusercontent.com/rtckit/awesome-rtc/master/README.md", "https://www.asterisk.org/", "https://innovatejourney.in/best-opensource-web-rtc-server-for-video-calling-opensource/", "https://getvoip.com/blog/open-source-pbx/", "https://janus.conf.meetecho.com/", "https://github.com/nuzulul/awesome-webrtc", "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"], "search_results": [{"date": "2026-04-07", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "### [PROJECT] RustPBX: Open-Source SIP/WebRTC IP-PBX Written in Rust\nRustPBX is a robust SIP IP-PBX developed in Rust, designed to serve as a modern alternative to Asterisk and FreeSWITCH with its API-first framework.\nIt allows you to manage all routing and media through HTTP/WebSocket rather than t...", "source": "web", "title": "[PROJECT] RustPBX: Open-Source SIP/WebRTC IP-PBX Written in Rust", "url": "https://www.reddit.com/r/selfhosted/comments/1seqr7f/project_rustpbx_opensource_sipwebrtc_ippbx/"}, {"date": "2026-06-01", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Self-hosted WebRTC solutions give you full control over your infrastructure and can significantly reduce per-call costs at scale.\nHere are the most widely used open source WebRTC media servers in 2026:\n- **Janus** — A lightweight, plugin based WebRTC media server well suited for custom integrations ...", "source": "web", "title": "From Open Source Media Servers to CPaaS Solutions", "url": "https://webrtc.ventures/partners/webrtc-architecture-options/"}, {"date": "2026-04-07", "last_updated": "2026-04-08", "place_metadata": null, "snippet": "### I built RustPBX: Open-Source SIP/WebRTC IP-PBX Written in Rust\n**RustPBX** is a fast SIP IP‑PBX built in Rust that follows a modern, API‑first design.\nAll routing and media are managed through HTTP/WebSocket rather than static config files, which makes it AI‑compatible, programmable from any lan...", "source": "web", "title": "I built RustPBX: Open-Source SIP/WebRTC IP-PBX Written in Rust", "url": "https://www.reddit.com/r/coolgithubprojects/comments/1seqxh2/i_built_rustpbx_opensource_sipwebrtc_ippbx/"}, {"date": "2025-08-20", "last_updated": "2025-08-24", "place_metadata": null, "snippet": "", "source": "web", "title": "pbx · GitHub Topics", "url": "https://github.com/topics/pbx"}, {"date": "2022-04-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "ICTPBX is a carrier-grade, multi-tenant PBX management application for ISPs, ITSPs, and service\nproviders — built on FreeSWITCH and unified through the ICTCore REST API, run from one modern dashboard.\n...\n**FreeSWITCH 1.10** Media engine **ICTCore** Unified REST API **Angular 13** Web dashboard **We...", "source": "web", "title": "Home | ICTPBX", "url": "https://ictpbx.com/"}, {"date": "2021-01-01", "last_updated": "2026-07-26", "place_metadata": null, "snippet": "**MiroTalk P2P** - Free WebRTC, Simple, Secure, Fast Real-Time Video Conferences with support for up to 8k resolution and 60fps.\nIt's compatible with all major browsers and platforms.\n...\n- Direct peer-to-peer connections for low-latency communication through WebRTC.\n...\nMiroTalk P2P is free and ope...", "source": "web", "title": "GitHub - miroslavpejic85/mirotalk: 🚀 Self-hosted open-source WebRTC video conferencing platform built on peer-to-peer (P2P) architecture for fast, secure real-time communication with end-to-end privacy.", "url": "https://github.com/miroslavpejic85/mirotalk"}, {"date": "2026-06-16", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "### InnovateAsterisk / Browser-Phone\nA fully featured browser based WebRTC SIP phone for Asterisk\nopen-source sip webrtc free asterisk voip asterisk-dialplan asterisk-pbx web-sockets video-calls text-chat asterisk-server audio-calls asterisk-webui browser-phone\n...\nMikoPBX — free open-source PBX for...", "source": "web", "title": "Build software better, together", "url": "https://ithub.global.ssl.fastly.net/topics/asterisk"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": null, "last_updated": "2026-08-10", "place_metadata": null, "snippet": "OpenVidu is built to be incredibly powerful.\nIt is based on the best open source WebRTC stacks: **LiveKit** and **mediasoup** . By combining the best of both worlds, OpenVidu provides outstanding **performance**.\n...\n- **WebRTC**\nAchieve ultra-low latency in your videoconference or live-streaming ap...", "source": "web", "title": "Self-hosted video conferencing & custom WebRTC - OpenVidu", "url": "https://openvidu.io/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2014-02-11", "last_updated": "2025-10-26", "place_metadata": null, "snippet": "Janus is an open source, general purpose, WebRTC server designed and developed by Meetecho.", "source": "web", "title": "meetecho/janus-gateway: Janus WebRTC Server", "url": "https://github.com/meetecho/janus-gateway"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-03-12", "last_updated": "2026-03-26", "place_metadata": null, "snippet": "### MiroTalk – Open-Source WebRTC Video Calls (Self-Hosted, Privacy-Focused)\nIntroducing MiroTalk, a privacy-centric and open-source platform utilizing WebRTC for real-time communication.\nThis platform enables you to conduct secure video conferences right in your web browser, offering complete contr...", "source": "web", "title": "MiroTalk – Open-Source WebRTC Video Calls (Self-Hosted, Privacy-Focused)", "url": "https://www.reddit.com/r/selfhosted/comments/1rs704f/mirotalk_opensource_webrtc_video_calls_selfhosted/"}, {"date": null, "last_updated": "2026-07-16", "place_metadata": null, "snippet": "- [FreeSWITCH](http://freeswitch.org) - Open source multi-protocol, cross-platform and software switch.\n- [Asterisk](http://asterisk.org) - PBX framework supporting multiple protocols and platforms.\n...\n- [Janus](https://janus.conf.meetecho.com) - Lightweight open source, general purpose, WebRTC gat...", "source": "web", "title": "https://raw.githubusercontent.com/rtckit/awesome-r...", "url": "https://raw.githubusercontent.com/rtckit/awesome-rtc/master/README.md"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2024-10-19", "last_updated": "2025-09-25", "place_metadata": null, "snippet": "**Jitsi** **Description**: Jitsi is a widely popular open-source WebRTC server that supports both video and voice calling.\nIt provides an easy-to-use interface, and the server can be self-hosted for full control over your deployment.", "source": "web", "title": "Best opensource web RTC server for video calling ...", "url": "https://innovatejourney.in/best-opensource-web-rtc-server-for-video-calling-opensource/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|3CX|Free for up to 10 users with paid plans available|- Mobile and web apps - Video conferencing - Live chat|Remote and hybrid teams that need a scalable solution|\n...\nKamailio is an open source SIP server able to handle thousands of call...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2026-08-06", "place_metadata": null, "snippet": "Janus is a WebRTC Server developed by Meetecho conceived to be a general purpose one.", "source": "web", "title": "Janus WebRTC Server (multistream): About Janus", "url": "https://janus.conf.meetecho.com/"}, {"date": "2024-02-11", "last_updated": "2025-10-25", "place_metadata": null, "snippet": "", "source": "web", "title": "nuzulul/awesome-webrtc", "url": "https://github.com/nuzulul/awesome-webrtc"}, {"date": "2021-02-23", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "For video chat, I've used Jitsi, which, when checked today (2021-03-02) has a self hosting guide on their Github repository.\n...\nYou might be interested in NextCloud and it's Talk component.\nNextCloud is a collaboration software suite, so it's not exactly a dedicated VOIP service, but with it has we...", "source": "web", "title": "What's a good FOSS X-platform self-hosted VOIP program?", "url": "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"}]}
{"engine": "perplexity", "model": "sonar", "index": 29, "phrasing": "We are an ISP wanting to host an open-source PBX for our business customers. What software should we use?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.freepbx.org/", "https://sourceforge.net/directory/pbx/linux/", "https://ictpbx.com/open-source-pbx-software-2/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://hapbx.com/open-source-pbx/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.voip-info.org/open-source-voip-software/", "https://getvoip.com/blog/open-source-pbx/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://www.asterisk.org/", "https://sourceforge.net/directory/pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://community.spiceworks.com/t/best-windows-free-voip-pabx/219401", "https://www.mikopbx.com/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.getapp.com/it-communications-software/cloud-pbx/p/open-source/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://cloudinfrastructureservices.co.uk/free-pbx-software-open-source-phone-systems/"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2026-05-07", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "## Open Source PBX Comparison at a Glance\n|Platform|Best For|Multi-Tenant|Web Dashboard|White-Label|Setup Effort|\n|--|--|--|--|--|--|\n|Asterisk + FreePBX|Single business, on-premise|Workarounds only|FreePBX|Custom work|Medium|\n|FreeSWITCH (vanilla)|Custom builds, contact center engines|You build it|...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer’s Guide", "url": "https://ictpbx.com/open-source-pbx-software-2/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nThe decision tree for sele...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "**Quick Comparison: Top Open Source PBX Platforms**\n|**Platform**|**Core Engine**|**Interface (GUI)**|**Difficulty**|**Best For**|\n...\n|**Asterisk**|Asterisk|No (CLI only)|Expert|Developers building custom apps|\n|**FreePBX**|Asterisk|Yes (Web)|Medium|SMBs & Standard Office VoIP|\n|**FusionPBX**|FreeS...", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Issabel is an open source IP phone service that comes with add-on **contact center software** that enables you to manage incoming calls, automate outbound call center activity, and benefit from a bespoke Linux-based training program for users.", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "If you're looking for PBX software that you can host on your own server and need to handle 4 to 10 concurrent calls with extensions, along with call recording capabilities, there are several excellent options to consider:\n1. **Asterisk**: This is one of the most popular open-source PBX solutions.\nIt...", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with H.323 GW\n- sipwitch: GNU project’s Pure SIP c...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferencing - IM/C...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "Asterisk is basically the grand daddy of all open source PBX and VoIP strategies and continues to work as the gold standard.", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\n...\nThe pattern is obvious: if you need outbound contact center functionality --- predictive dialing, campaign management, lead list handling, agent scripting, blended inbound/outbound --- VICIdial is your only real option in the ope...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Windows Free VOIP PABX - Software & Applications", "url": "https://community.spiceworks.com/t/best-windows-free-voip-pabx/219401"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-07-04", "last_updated": "2025-07-05", "place_metadata": null, "snippet": "# Open Source Cloud PBX Software (2025)\n...\n3 software options", "source": "web", "title": "Best Open Source Cloud PBX 2025", "url": "https://www.getapp.com/it-communications-software/cloud-pbx/p/open-source/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Top 10 FREE PBX Software Open Source Phone Systems", "url": "https://cloudinfrastructureservices.co.uk/free-pbx-software-open-source-phone-systems/"}]}
{"engine": "perplexity", "model": "sonar", "index": 30, "phrasing": "Best open source PBX software with built-in queue management for support teams", "citations": ["https://vicistack.com/blog/open-source-call-center-software/", "https://wifitalents.com/best/asterisk-based-call-center-software/", "https://gitnux.org/best/asterisk-based-call-center-software/", "https://www.hirevoipdeveloper.com/blog/best-open-source-call-center-software-options/", "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/", "https://gitnux.org/best/queue-system-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.freepbx.org/", "https://sourceforge.net/directory/pbx/", "https://gitnux.org/best/voip-pbx-software/", "https://hapbx.com/open-source-pbx/", "https://sourceforge.net/directory/pbx/linux/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://github.com/FreePBX/queues", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.asterisk.org/", "https://getvoip.com/blog/open-source-pbx/", "https://vitalpbx.com/", "https://ictinnovations.com/comparative-analysis-of-various-open-source-sip-servers/"], "search_results": [{"date": "2026-03-17", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "The pattern is obvious: if you need outbound contact center functionality --- predictive dialing, campaign management, lead list handling, agent scripting, blended inbound/outbound --- VICIdial is your only real option in the open source world.\nEverything else is a PBX with inbound queue features.\n....", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared - ViciStack", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-06-03", "last_updated": "2026-06-17", "place_metadata": null, "snippet": "|1|FreePBXBest Overall FreePBX provides an Asterisk-based web interface for configuring inbound and outbound call handling, queues, and extensions for call center deployments.|open-source PBX|9.4/10|9.3/10|9.2/10|9.7/10|Visit|\n...\nFreePBX is strong for queue behavior because it ships with Queue modu...", "source": "web", "title": "Asterisk Based Call Center Software: Best Picks (2026)", "url": "https://wifitalents.com/best/asterisk-based-call-center-software/"}, {"date": "2026-06-03", "last_updated": "2026-06-18", "place_metadata": null, "snippet": "|#|Tool|Category|Overall|Features|Ease of Use|Value|", "source": "web", "title": "Best Asterisk Based Call Center Software | 2026 Expert Picks - Gitnux", "url": "https://gitnux.org/best/asterisk-based-call-center-software/"}, {"date": "2025-08-12", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 8 Open Source Call Center Software Options In 2026", "url": "https://www.hirevoipdeveloper.com/blog/best-open-source-call-center-software-options/"}, {"date": "2020-06-13", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Any suggestion for a free open source call center software for our startup? Could VICIDial be good for that? Anyone experienced with it?", "url": "https://www.reddit.com/r/VOIP/comments/h8807g/any_suggestion_for_a_free_open_source_call_center/"}, {"date": "2026-02-11", "last_updated": "2026-05-23", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Queue System Software | Top Picks 2026 - Gitnux", "url": "https://gitnux.org/best/queue-system-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-07-23", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "|Provider|Key features|Pricing|Pros|Cons|\n...\n|3.\nFreePBX|GUI for Asterisk with IVR, call queues, voicemail, call recording, and reporting.|Free (self-hosted; optional paid modules)|User-friendly interface on top of Asterisk with easier management for SMBs.|Advanced custom features often require pai...", "source": "web", "title": "Explore the Top 5 Open Source Call Center Software Solutions - Voiso", "url": "https://voiso.com/articles/best-open-source-call-center-software/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-03-12", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Voip Pbx Software: 2026 Comparison - Gitnux", "url": "https://gitnux.org/best/voip-pbx-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2014-01-07", "last_updated": "2026-04-16", "place_metadata": null, "snippet": "Module of FreePBX (Queues) :: Creates a queue where calls are placed on hold and answered on a first-in, first-out basis.", "source": "web", "title": "GitHub - FreePBX/queues: Module of FreePBX (Queues) :: Creates a queue where calls are placed on hold and answered on a first-in, first-out basis. Many options are available, including ring strategy for agents, caller announcements, max wait times, etc.", "url": "https://github.com/FreePBX/queues"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}, {"date": "2025-04-21", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "|Server|Type|Best at|Scale|Pick it when|\n...\n|Asterisk|Media server / PBX|Features out of the box: IVR, voicemail, queues|Small to mid|You want a working PBX fast|\n...\nFreeSWITCH provides FIFO (First In, First Out) queue management, ensuring that calls are processed in the order they are received.\nT...", "source": "web", "title": "Comparative Analysis of Various Open Source SIP Servers", "url": "https://ictinnovations.com/comparative-analysis-of-various-open-source-sip-servers/"}]}
{"engine": "perplexity", "model": "sonar", "index": 31, "phrasing": "What self-hosted open source phone system software has strong community support and active development?", "citations": ["https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/", "https://gonopbx.de/en/", "https://www.opensourcegroups.com/open-source-voip/", "https://github.com/kirklandsig/AIReceptionist", "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "https://www.pistack.xyz/posts/2026-04-27-freepbx-vs-fusionpbx-vs-wazo-self-hosted-pbx-guide/", "https://news.ycombinator.com/item?id=46518527", "https://www.freepbx.org/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/", "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995", "https://www.asterisk.org/", "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/", "https://www.3cx.com/pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://sourceforge.net/directory/telephony/", "https://www.voip-info.org/open-source-voip-software/", "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/"], "search_results": [{"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "If you decide to go down the path however and want to make a living off of it, I suggest you start learning Asterisk or FreeSWITCH.\nFreePBX is a nice and open source software suite built on top of Asterisk with a GUI.\n...\nYou could try https://www.fusionpbx.com/.\nI haven't looked at it in years, but...", "source": "web", "title": "Self hosted voip / phone system : r/selfhosted", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2026-04-11", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "I have been developing an open-source telephony platform designed to serve as a self-hosted alternative to cloud services like Twilio.", "source": "web", "title": "Show HN: Open-source self-hosted telephony platform with composable audio DSL", "url": "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/"}, {"date": "2026-02-13", "last_updated": "2026-04-11", "place_metadata": null, "snippet": "Open Source · Self-Hosted · Docker\n...\nGonoPBX is a web-based management interface for Asterisk –\na side project that grows step by step.\nExtensions, SIP trunks, call forwarding, voicemail, and call history –\nall via an intuitive web GUI.\nThe project is still evolving and\n...\nDownload the source cod...", "source": "web", "title": "Modern Open-Source Phone System - GonoPBX", "url": "https://gonopbx.de/en/"}, {"date": "2026-06-20", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Open source VoIP software lets businesses and individuals replace expensive commercial phone systems with self-hosted solutions built on transparent, community-driven code.\nPlatforms like Asterisk, FreePBX, and FusionPBX provide full-featured PBX capabilities at a fraction of the cost of proprietary...", "source": "web", "title": "Open Source VoIP and PBX Phone Systems", "url": "https://www.opensourcegroups.com/open-source-voip/"}, {"date": "2026-03-02", "last_updated": "2026-05-28", "place_metadata": null, "snippet": "> **This project is in active development.** Core functionality works (voice conversations, FAQ answering, call transfers, message taking), but expect breaking changes and rough edges.\nContributions welcome.\n# AI Receptionist -- Open Source, Self-Hosted, No Compromises\nA production-grade, open-sourc...", "source": "web", "title": "kirklandsig/AIReceptionist: Open-source, self-hosted AI ... - GitHub", "url": "https://github.com/kirklandsig/AIReceptionist"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "For video chat, I've used Jitsi, which, when checked today (2021-03-02) has a self hosting guide on their Github repository.\nhttps://jitsi.github.io/handbook/docs/devops-guide/devops-guide-quickstart\nMatrix.org uses Jitsi as their embedded Video-Call software.\nIn fact, the commonly suggested Ansible...", "source": "web", "title": "What's a good FOSS X-platform self-hosted VOIP program?", "url": "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"}, {"date": "2026-04-27", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "Today, three mature open-source PBX platforms let you run a full-featured telephony system on your own infrastructure: **FreePBX**, **FusionPBX**, and **Wazo**.\n...\nFreePBX is the most widely deployed open-source PBX platform, serving as a web-based management interface for Asterisk.\n...\nThe FreePBX...", "source": "web", "title": "FreePBX vs FusionPBX vs Wazo: Best Self-Hosted PBX Platforms ...", "url": "https://www.pistack.xyz/posts/2026-04-27-freepbx-vs-fusionpbx-vs-wazo-self-hosted-pbx-guide/"}, {"date": null, "last_updated": "2026-01-07", "place_metadata": null, "snippet": "This repo is the result.\nIt's a self-hosted, HIPAA-eligible telephony stack built on Asterisk + AWS Chime that handles phone numbers, SIP/TLS, RTP media, and real-time audio streaming to AI voice agents via a Twilio-like WebSocket interface.", "source": "web", "title": "An open-source telephony stack for AI voice agents (Twilio alternative)", "url": "https://news.ycombinator.com/item?id=46518527"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "The “Free” in FreePBX stands for Freedom.\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.\nCompletely free to download and use, the power of FreePBX comes from a global community of developers who ensure it re...", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "**Asterisk** – Easy to use but advanced IP PBX system, VoIP gateway and conference server.\nGPL-2.0 C\n...\n**FreeSWITCH** – Scalable open source cross-platform telephony platform.\nMPL-2.0 C\n**FusionPBX** – Open source project that provides a customizable and flexible web interface to the very powerful...", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self Hosted VOIP for Home", "url": "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/"}, {"date": "2024-07-29", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "You can try this: GitHub - 0perationPrivacy/VoIP: Web Base Telnyx/Twilio VoIP Interface enabling SMS, MMS and Voice calls using the providers API Keys and self-hosting the application..\nBut I suggest you try Skype and WhatsAPP firstly.\n...\nYeah really cool to get hands-on with open-source VoIP!\nA fe...", "source": "web", "title": "What is the best open source VoIP tech?", "url": "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.\n...\n#### Community Members\n#### Community Members\n150\n#### Countries with Installations", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source or very lost cost VOIP or PBX System at home for Small Business", "url": "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "A 3CX PBX gives you the flexibility to choose with its Basic, PRO and AI Editions.\nHost 3CX in your own private cloud or on-premise in your office.", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise", "url": "https://www.3cx.com/pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Open Source and Unified Communications partners created a new platform based on an Elastix® fork (currently purchased by 3CX) to provide the community with continuity, peace of mind and support needed to continue with their PBX and operation developments.", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2023-05-25", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Asterisk is an open-source implementation of a private branch exchange, or PBX.", "source": "web", "title": "Building a Personal VoIP System", "url": "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/"}]}
{"engine": "perplexity", "model": "sonar", "index": 32, "phrasing": "What open source PBX platform should a university deploy for campus extensions?", "citations": ["https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://astervis.io/en/blog/asterisk-based-pbx-complete-list-2026", "https://voipforum.io/10-best-open-source-softswitch-for-free/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hapbx.com/open-source-pbx/", "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/", "https://www.asterisk.org/", "https://sourceforge.net/directory/pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://www.voip-info.org/open-source-voip-software/", "https://community.spiceworks.com/t/open-source-asterisk-pbx-decisions-and-recommendations/493570", "https://www.freepbx.org/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://www.mikopbx.com/", "https://community.spiceworks.com/t/elastix-open-source-voip-pbx-upgrade/605009"], "search_results": [{"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\n**Best fit:** in-house PBX, school or campus phone systems, basic call recording.\n...\n|...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "", "source": "web", "title": "74 Open Source VoIP Apps & Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2026-08-04", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "|Name|My Take|Key Details|\n...\n|FreePBX|The default choice.\nNot always the best one.|Sangoma-owned.\nVersion 17 + Asterisk 22.\nMoved from CentOS to Debian — finally.\nMassive module ecosystem, but some paid modules feel like they should be free.|\n|VitalPBX|The one I'd pick for a new deployment today.|...", "source": "web", "title": "Complete List of Asterisk-Based PBX Systems in 2026", "url": "https://astervis.io/en/blog/asterisk-based-pbx-complete-list-2026"}, {"date": "2022-09-15", "last_updated": "2025-01-09", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Best Open Source Softswitch for Free - VoIP Forum", "url": "https://voipforum.io/10-best-open-source-softswitch-for-free/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2018-01-01", "last_updated": "2026-05-02", "place_metadata": null, "snippet": "## 1.\nSolutions serveurs Open Source\nIP PABX :\n- Asterisk et dérivatifs\n- Freeswitch\nProxys SIP (Fed VoIP)\n- Kamailio\n- OpenSips\n- Repro\n- Flexisip\n## 2.\n...\n|Logiciel|Support OS|Licence|remarque|", "source": "web", "title": "Aperçu des logiciels de téléphonie Open Source - Protocole SIP", "url": "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Asterisk is a free and open source framework for building communications applications and is sponsored by Sangoma.", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|SIP Foundry|Free and Open|- Video conferencing - IM/Chat - Unified Messaging|Universities and those in the education industry|\n...\nWith its wide variety of features and high level of security, SIP Fo...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source Asterisk PBX Decisions and recommendations", "url": "https://community.spiceworks.com/t/open-source-asterisk-pbx-decisions-and-recommendations/493570"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "If you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\nIf you are a service provider, MSP, or enterprise that needs to host multiple organizations on shared infrastructure, choose FusionPBX.\nIf you are a developer buildi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2017-09-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Elastix Open source VoIP PBX Upgrade - Spiceworks Community", "url": "https://community.spiceworks.com/t/elastix-open-source-voip-pbx-upgrade/605009"}]}
{"engine": "perplexity", "model": "sonar", "index": 33, "phrasing": "Best open source VoIP server software for self-hosting in a private cloud", "citations": ["https://sourceforge.net/directory/voip/", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.libhunt.com/topic/voip", "https://medevel.com/2x-os-voip-servers/", "https://www.reddit.com/r/VOIP/comments/1ky53ze/open_source_sip_server_client_recommendations/", "https://html.com/blog/voip-top-50-open-source-voip-apps/", "https://hapbx.com/open-source-pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://www.freepbx.org/", "https://www.kamailio.org/w/", "https://sourceforge.net/directory/sip-servers/", "https://callwave.com/open-source-pbx/", "https://www.asterisk.org/", "https://en.wikipedia.org/wiki/Category:Free_VoIP_software", "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995", "https://ictinnovations.com/comparative-analysis-of-various-open-source-sip-servers/", "https://www.linphone.org/en/linphone-softphone/", "https://www.scribd.com/document/458305223/SIP-SERVERS"], "search_results": [{"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-06-04", "last_updated": "2025-08-14", "place_metadata": null, "snippet": "|#|Project|Stars|\n...\n|1|Pion WebRTC|15,153|\n|2|Mumble|7,107|", "source": "web", "title": "Top 23 Voip Open-Source Projects | LibHunt", "url": "https://www.libhunt.com/topic/voip"}, {"date": "2024-03-23", "last_updated": "2025-02-25", "place_metadata": null, "snippet": "", "source": "web", "title": "22 Open-source Free and Open-source VoIP and Sip Servers", "url": "https://medevel.com/2x-os-voip-servers/"}, {"date": "2025-05-29", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source SIP server / client recommendations?", "url": "https://www.reddit.com/r/VOIP/comments/1ky53ze/open_source_sip_server_client_recommendations/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 50 Open Source VoIP Apps", "url": "https://html.com/blog/voip-top-50-open-source-voip-apps/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-06-19", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "News", "url": "https://www.kamailio.org/w/"}, {"date": "2019-03-07", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source SIP Servers 2026", "url": "https://sourceforge.net/directory/sip-servers/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2018-12-24", "last_updated": "2026-05-05", "place_metadata": null, "snippet": "", "source": "web", "title": "Category:Free VoIP software - Wikipedia", "url": "https://en.wikipedia.org/wiki/Category:Free_VoIP_software"}, {"date": "2024-07-29", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "What is the best open source VoIP tech?", "url": "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995"}, {"date": "2025-04-21", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "|Server|Type|Best at|Scale|Pick it when|", "source": "web", "title": "Comparative Analysis of Various Open Source SIP Servers", "url": "https://ictinnovations.com/comparative-analysis-of-various-open-source-sip-servers/"}, {"date": "2026-06-03", "last_updated": "2026-07-29", "place_metadata": null, "snippet": "", "source": "web", "title": "Linphone Softphone", "url": "https://www.linphone.org/en/linphone-softphone/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}]}
{"engine": "perplexity", "model": "sonar", "index": 34, "phrasing": "We need an open-source self-hosted PBX with integrated faxing and auto-attendant features. What should we choose?", "citations": ["https://ictpbx.com/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://hapbx.com/open-source-pbx/", "https://libreselfhosted.com/project/fusionpbx/", "https://syncbricks.com/top-10-open-source-pbx-software/", "https://github.com/NexusPolytech/NexeFax", "https://www.ictfax.org/top-5-open-source-fax-server-software-in-2026-secure-scalable-and-smarter-than-ever/", "https://github.com/FreePBX/fax", "https://github.com/ictinnovations/ictfax", "https://www.freepbx.org/", "https://getvoip.com/blog/open-source-pbx/", "https://www.fusionpbx.com/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.cnblogs.com/qiuzhendezhen/p/17517385.html", "https://github.com/kirklandsig/AIReceptionist", "https://www.freepbx.org/get-started/", "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server", "https://www.3cx.com/pbx/", "https://www.pistack.xyz/posts/2026-05-02-fusionpbx-vs-freeswitch-vs-asterisk-self-hosted-call-center-guide-2026/", "https://www.yeastar.com/self-hosted-pbx/"], "search_results": [{"date": "2022-04-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "ICTPBX is a carrier-grade, multi-tenant PBX management application for ISPs, ITSPs, and service\nproviders — built on FreeSWITCH and unified through the ICTCore REST API, run from one modern dashboard.\n...\nICTPBX is an open-source PBX platform built for service providers.\nIt pairs the **FreeSWITCH** ...", "source": "web", "title": "Home | ICTPBX", "url": "https://ictpbx.com/"}, {"date": "2021-02-20", "last_updated": "2025-04-23", "place_metadata": null, "snippet": "Initially based off the Asterisk platform, Elastix provides open source single communications server program which includes an IP PBX, IM, email, faxing as well as collaboration functionality.\n...\nOwners likewise have the choice to select from dozens of add ons to really custom tailor the device wit...", "source": "web", "title": "7 Free Open Source PBX Software Solutions - VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "Issabel integrates fax servers, email, instant messaging, and CRM features into a single open source PBX software suite.\nIt creates a true Unified Communications environment out of the box.\n...\nThe software PBX code is free to download, but the system is not free to operate.\nYou still need to pay fo...", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2023-05-03", "last_updated": "2026-06-14", "place_metadata": null, "snippet": "Open source project that provides a customizable and flexible web interface to the very powerful and highly scalable multi-platform voice switch called FreeSWITCH.\n...\nFusionPBX can be used as a single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, VoIP serve...", "source": "web", "title": "FusionPBX project - Libre Self-hosted", "url": "https://libreselfhosted.com/project/fusionpbx/"}, {"date": "2024-08-27", "last_updated": "2026-07-04", "place_metadata": null, "snippet": "This is an open source Unified Communications Server software that is offered with IP PBX, email, faxing and collaboration functionality.\n...\nThe Elastix functionality is based on **open source** projects and offers PBX, fax, instant messaging and email functions.\n...\nOpenPBX.org is an open source P...", "source": "web", "title": "Top 10 Open source PBX Software. - SyncBricks", "url": "https://syncbricks.com/top-10-open-source-pbx-software/"}, {"date": "2023-09-11", "last_updated": "2025-05-21", "place_metadata": null, "snippet": "An open source eFax server solution written in Python that allows sending and receiving faxes via integration with Asterisk PBX, with support for multiple accounts each with their own users and details.", "source": "web", "title": "GitHub - NexusPolytech/NexeFax: A modern open source eFax server solution written in Python that allows sending and receiving faxes with Asterisk.", "url": "https://github.com/NexusPolytech/NexeFax"}, {"date": "2026-02-10", "last_updated": "2026-07-19", "place_metadata": null, "snippet": "**Quick answer:** The five strongest open-source fax server platforms in 2026 are ICTFax, HylaFAX+, Asterisk with Fax-for-Asterisk, FreeSWITCH, and ICTBroadcast.\nICTFax leads for multi-tenant deployments and white-label resellers.\nHylaFAX+ wins on simplicity for Linux shops.\nAsterisk and FreeSWITCH ...", "source": "web", "title": "Top 5 Open Source Fax Server Software in 2026 - ICTFax", "url": "https://www.ictfax.org/top-5-open-source-fax-server-software-in-2026-secure-scalable-and-smarter-than-ever/"}, {"date": "2014-01-07", "last_updated": "2026-05-21", "place_metadata": null, "snippet": "Your Open Source Asterisk PBX GUI Solution\n...\nThis is a module for FreePBX© . FreePBX is an open source GUI (graphical user interface) that controls and manages Asterisk© (PBX).\nFreePBX is licensed under GPL.\nFreePBX is a completely modular GUI for Asterisk written in PHP and Javascript.\n...\nModule...", "source": "web", "title": "Module of FreePBX (Fax Configuration) :: Adds ... - GitHub", "url": "https://github.com/FreePBX/fax"}, {"date": "2013-05-31", "last_updated": "2025-10-09", "place_metadata": null, "snippet": "ICTFAX is an open source multi-user Fax server software solution.\nICTFAX features both inbound as well as outbound faxing solutions using T.38 protocol as well as G.711 passt hrough.", "source": "web", "title": "ictinnovations/ictfax: Open Source Fax Server Software ...", "url": "https://github.com/ictinnovations/ictfax"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n...\n|OpenSIPS|Free and open, training packages start a...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2026-08-01", "place_metadata": null, "snippet": "FusionPBX can be used as a highly available single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework and more.", "source": "web", "title": "FusionPBX", "url": "https://www.fusionpbx.com/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2023-06-30", "last_updated": "2025-01-13", "place_metadata": null, "snippet": "fusionpbx是以freeswitch作为底层框架开发而成的开源PBX，在freeswitch的基础上，优化了GUI的易用性。\nfusionpbx可用作高可用性的单租户或基于域的多租户 PBX、运营商级交换机、呼叫中心服务器、传真服务器、voip服务器、语音邮件服务器、会议服务器、语音应用服务器、设备框架等。\nfusionpbx提供无限分机、语音邮件到电子邮件、音乐保持、呼叫停放、呼叫中心、呼叫队列、电话配置和许多其他功能。\n它提供您的业务所需的功能，并为中小型企业带来企业级电话系统功能。", "source": "web", "title": "fusionpbx简介", "url": "https://www.cnblogs.com/qiuzhendezhen/p/17517385.html"}, {"date": "2026-03-02", "last_updated": "2026-05-28", "place_metadata": null, "snippet": "> **This project is in active development.** Core functionality works (voice conversations, FAQ answering, call transfers, message taking), but expect breaking changes and rough edges.\n...\nOpen-source, self-hosted AI phone receptionist powered by OpenAI Realtime API.", "source": "web", "title": "kirklandsig/AIReceptionist: Open-source, self-hosted AI ... - GitHub", "url": "https://github.com/kirklandsig/AIReceptionist"}, {"date": "2025-07-25", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "Start with the latest GNU GPL Install Script for Debian 12 to bring up a FreePBX system using the following steps:\n- First, install Debian 12!\n- In the cloud, check with your hosting provider for their preferred, built-in Debian 12 image (if any), OR\n- Follow the Step By Step Debian Installation Gui...", "source": "web", "title": "Freepbx - All The Built-In...", "url": "https://www.freepbx.org/get-started/"}, {"date": "2018-03-08", "last_updated": "2025-10-25", "place_metadata": null, "snippet": "", "source": "web", "title": "Asterisk PBX - Open Source VOIP IP-PBX Server - Cloudron Forum", "url": "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Yes!", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}, {"date": "2026-05-02", "last_updated": "2026-07-28", "place_metadata": null, "snippet": "In this guide, we compare three open-source platforms that power self-hosted call centers: **FusionPBX** (1,000 stars, the leading web-based multi-tenant PBX and voice switch built on FreeSWITCH), **FreeSWITCH** (4,827 stars, the modular telephony platform that serves as the engine behind dozens of ...", "source": "web", "title": "FusionPBX vs FreeSWITCH vs Asterisk: Self-Hosted Call Center ...", "url": "https://www.pistack.xyz/posts/2026-05-02-fusionpbx-vs-freeswitch-vs-asterisk-self-hosted-call-center-guide-2026/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business - Yeastar", "url": "https://www.yeastar.com/self-hosted-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 35, "phrasing": "What is the best open source self-hosted IP PBX software for a manufacturing plant?", "citations": ["https://hapbx.com/open-source-pbx/", "https://www.freepbx.org/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/", "https://opensourcerepo.co.uk/voip/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://sourceforge.net/directory/pbx/", "https://forums.lawrencesystems.com/t/suggestions-for-hosting-a-pbx-system-at-home/25168", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://community.spiceworks.com/t/ip-pbx-appliances-from-open-source-vendors/549638", "https://www.mikopbx.com/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.3cx.com/pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/", "https://xorcom.com/tag/open-source-ip-pbx/"], "search_results": [{"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "FreePBX, developed by Sangoma, is the most popular open-source IP PBX platform available.", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2018-01-01", "last_updated": "2026-05-02", "place_metadata": null, "snippet": "", "source": "web", "title": "Aperçu des logiciels de téléphonie Open Source - Protocole SIP", "url": "https://sip.goffinet.org/voip/telephonie-logiciels-open-source/"}, {"date": null, "last_updated": "2025-11-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Voice over IP (VoIP)", "url": "https://opensourcerepo.co.uk/voip/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-06-05", "last_updated": "2026-05-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Suggestions for Hosting a PBX System at Home - VoIP", "url": "https://forums.lawrencesystems.com/t/suggestions-for-hosting-a-pbx-system-at-home/25168"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2016-12-29", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "IP PBX Appliances from Open Source Vendors", "url": "https://community.spiceworks.com/t/ip-pbx-appliances-from-open-source-vendors/549638"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "VICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX with decent integrated softphone clients?", "url": "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/"}, {"date": null, "last_updated": "2026-06-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source IP-PBX | Xorcom", "url": "https://xorcom.com/tag/open-source-ip-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 36, "phrasing": "Affordable open source PBX software for a 15-person consulting agency", "citations": ["https://sourceforge.net/directory/pbx/linux/", "https://www.freepbx.org/", "https://sourceforge.net/directory/pbx/", "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://callwave.com/open-source-pbx/", "https://www.asterisk.org/", "https://www.getapp.com/it-communications-software/voip/p/open-source/", "https://pbx.info/top-free-pbx-business-solutions", "https://hapbx.com/open-source-pbx/", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://techstorify.com/best-open-source-pbx-software/", "https://www.mikopbx.com/", "https://www.voip-info.org/open-source-voip-software/", "https://dialerhq.com/blog/free-open-source-pbx-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://vitalpbx.com/"], "search_results": [{"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "The “Free” in FreePBX stands for Freedom.\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.\nCompletely free to download and use, the power of FreePBX comes from a global community of developers who ensure it re...", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "1. **Cost Savings: ** Open source PBX software is freely available and does not require license fees or other subscription costs.\nThis makes it an ideal solution for companies looking to cut down on telecom expenses without sacrificing quality or features.\n...\nOpen source PBX software is a great way...", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The open source VoIP ecosystem includes free software for every layer of a telephony stack: PBX systems like Asterisk and FreeSWITCH for call processing, management interfaces like FreePBX and FusionPBX for web-based administration, SIP proxies like Kamailio for large-scale routing, softphone client...", "source": "web", "title": "Free Open Source VoIP Software", "url": "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "The core Asterisk software is entirely free to download, install, and configure without any licensing costs.\n...\nAs open-source software, FreeSWITCH is entirely free to download and use without any license fees.\n...\nAs an open-source project, Elastix can be downloaded and deployed for free without a...", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-07-14", "last_updated": "2025-07-14", "place_metadata": null, "snippet": "Jitsi Meet is open-source and is available for free.", "source": "web", "title": "Best Open Source VoIP 2025", "url": "https://www.getapp.com/it-communications-software/voip/p/open-source/"}, {"date": "2018-01-01", "last_updated": "2025-04-21", "place_metadata": null, "snippet": "Are there free PBX solutions?\nYes, there are.\nThese are open-source PBX software solutions.\n...\nVitalPBX is free to use, and a professional support package and add-ons are paid options.\n...\nThe platform is free.\nIt is open-source, and there are not many pricing options or catches.\n...\nBitrix24 offer...", "source": "web", "title": "12 Free PBX business solutions", "url": "https://pbx.info/top-free-pbx-business-solutions"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "The software PBX code is free to download, but the system is not free to operate.\nYou still need to pay for the server hardware (or cloud VPS hosting), SIP trunking services for outside calls, and the electricity to run it.", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-01-07", "last_updated": "2026-01-22", "place_metadata": null, "snippet": "Here are the top ten free options which will help you select the best solution to meet your business requirements.\n|Provider|Best For|Key Features|Pricing|Unique Differentiator|\n|--|--|--|--|--|\n|CallHippo|Businesses wanting ready-to-use cloud telephony|Hosted PBX, virtual numbers, smart call routin...", "source": "web", "title": "Top 10 Free Open Source PBX Software Solutions for ...", "url": "https://callhippo.com/blog/general/free-pbx-open-source-software"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Open source call center software is free to use, customizable to the nth degree, and backed by a community of developers.\n...\nUnsurprisingly, FreePBX’s main draw is that it’s free.\n...\nCallHippo is a virtual phone system app that you can try for free.", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2023-10-07", "last_updated": "2025-01-23", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Best Free Open Source PBX Software Solutions of 2025", "url": "https://techstorify.com/best-open-source-pbx-software/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "Some of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "**Comparison of Top 11 Free Open Source PBX Software in 2024**\n|Brand Name|Key Features|Pricing|Free Trial|\n|--|--|--|--|\n|DialerHQ|||10 Days|\n|CallHippo|||10 Days|\n|Phonexa|||NA|\n|Asterisk|||NA|\n|Elastix|||NA|\n|FreePBX|||21 Days|\n|SIPfoundry|||NA|\n|OpenSIPs|||NA|\n|3CX|||NA|\n|Kamailio|||NA|\n|FreeSWI...", "source": "web", "title": "Best 11 Free PBX Software in 2024", "url": "https://dialerhq.com/blog/free-open-source-pbx-software/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": "2018-10-21", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "VitalPBX - Advanced PBX System", "url": "https://vitalpbx.com/"}]}
{"engine": "perplexity", "model": "sonar", "index": 37, "phrasing": "What open source phone system server is best for high availability cluster deployments?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://community.asterisk.org/t/asterisk-high-availability/95657", "https://www.admin-magazine.com/Archive/2022/68/Adding-high-availability-to-a-Linux-VoIP-PBX", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.voip-info.org/asterisk-high-availability-solutions/", "https://vicistack.com/blog/open-source-call-center-software/", "https://linbit.com/high-availability/", "https://www.opensips.org/events/Summit-2018Amsterdam/assets/presentations/OpenSIPS%20Summit%202018%20-%20Alex%20Goulis%20-%20Creating%20a%20large,%20scalable,%20and%20redundant%20voicemail%20cluster%20using%20OpenSIPS%20and%20FreeSWITCH.pdf", "https://digitalcommons.jsu.edu/cgi/viewcontent.cgi?article=1030&context=fac_res", "https://sourceforge.net/directory/voip/", "https://hapbx.com/open-source-pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://en.wikipedia.org/wiki/Comparison_of_VoIP_software", "https://www.crn.com/slide-shows/networking/222600454/15-open-source-pbx-voip-products-to-know", "https://www.freepbx.org/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://github.com/topics/asterisk-alternative", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://krispcall.com/blog/open-source-pbx-software/", "https://community.spiceworks.com/t/which-on-premise-voip-solution-would-you-recommend/313932"], "search_results": [{"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP - Reddit", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2023-02-07", "last_updated": "2026-03-07", "place_metadata": null, "snippet": "", "source": "web", "title": "Asterisk High Availability", "url": "https://community.asterisk.org/t/asterisk-high-availability/95657"}, {"date": "2022-01-01", "last_updated": "2025-02-20", "place_metadata": null, "snippet": "", "source": "web", "title": "Linux VoIP PBX HA - ADMIN Magazine", "url": "https://www.admin-magazine.com/Archive/2022/68/Adding-high-availability-to-a-Linux-VoIP-PBX"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "If you are a small to medium business that needs a phone system with a web interface and strong community support, start with FreePBX.\nIf you are a service provider, MSP, or enterprise that needs to host multiple organizations on shared infrastructure, choose FusionPBX.\nIf you are a developer buildi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2022-03-10", "last_updated": "2026-01-25", "place_metadata": null, "snippet": "HAAst (High Availability for Asterisk) from Telium adds high availability / clustering to any pair of Asterisk servers.", "source": "web", "title": "Create or Select an Asterisk High Availability Solutions", "url": "https://www.voip-info.org/asterisk-high-availability-solutions/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "VICIdial is the only open source platform purpose-built for contact center operations, and it is the clear leader by every metric --- install base, feature set, active development, and community size.\n...\nBut for any operation that includes outbound dialing, campaign management, or predictive dialin...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2025-08-21", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "LINBIT HA is a comprehensive framework for building resilient, enterprise-grade high availability server clusters.", "source": "web", "title": "Open Source High Availability Storage - LINBIT", "url": "https://linbit.com/high-availability/"}, {"date": null, "last_updated": "2025-07-01", "place_metadata": null, "snippet": "Creating a large, scalable, and redundant \nvoicemail cluster using OpenSIPS and \nFreeSWITCH", "source": "web", "title": "OpenSIPS Summit 2018 -Amsterdam", "url": "https://www.opensips.org/events/Summit-2018Amsterdam/assets/presentations/OpenSIPS%20Summit%202018%20-%20Alex%20Goulis%20-%20Creating%20a%20large,%20scalable,%20and%20redundant%20voicemail%20cluster%20using%20OpenSIPS%20and%20FreeSWITCH.pdf"}, {"date": null, "last_updated": "2025-06-19", "place_metadata": null, "snippet": "", "source": "web", "title": "A Proposal for A High Availability Architecture for VoIP Telephone Systems based on Open Source Software", "url": "https://digitalcommons.jsu.edu/cgi/viewcontent.cgi?article=1030&context=fac_res"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses: OpenPBX, Kamailio, or OpenSIPS\n- Best for small remote teams: 3CX\n- Best for those in the education/government sec...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2006-04-03", "last_updated": "2026-07-09", "place_metadata": null, "snippet": "## Server software\n|Name|Operating systems|License|Protocols|Encryption|Notable features|Target markets|Latest release|", "source": "web", "title": "Comparison of VoIP software - Wikipedia", "url": "https://en.wikipedia.org/wiki/Comparison_of_VoIP_software"}, {"date": "2010-02-02", "last_updated": "2025-02-09", "place_metadata": null, "snippet": "", "source": "web", "title": "15 Open-Source PBX/VoIP Products To Know | CRN", "url": "https://www.crn.com/slide-shows/networking/222600454/15-open-source-pbx-voip-products-to-know"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "There isn't a single \"best\" because the right pick depends on whether you're a single business, a software team building a custom voice product, or a service provider hosting voice for multiple customers.\nAsterisk plus FreePBX wins for single-business deployments.\nFreeSWITCH wins for custom builds.\n...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2026-04-15", "last_updated": "2026-05-28", "place_metadata": null, "snippet": "", "source": "web", "title": "asterisk-alternative · GitHub Topics", "url": "https://github.com/topics/asterisk-alternative"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": null, "last_updated": "2025-11-04", "place_metadata": null, "snippet": "|Software|Pricing|Top Features|Best For|\n...\n|FreeSWITCH|Free and open-source|Dialplan, Clustering, Bypass/ Proxy Media, Video conferencing, and Event Socket Library|Enprises level businesses that require a flexible UC platform|\n...\nThe 10 best free open-source PBX software include\n**Asterisk, FreeP...", "source": "web", "title": "10 Best Free Open Source PBX Software in 2024", "url": "https://krispcall.com/blog/open-source-pbx-software/"}, {"date": "2014-06-18", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Which on-premise VOIP solution would you recommend?", "url": "https://community.spiceworks.com/t/which-on-premise-voip-solution-would-you-recommend/313932"}]}
{"engine": "perplexity", "model": "sonar", "index": 38, "phrasing": "Best self-hosted open source IP-PBX software for a logistics company", "citations": ["https://hapbx.com/open-source-pbx/", "https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://getvoip.com/blog/open-source-pbx/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.freepbx.org/", "https://www.voip-info.org/open-source-voip-software/", "https://www.mikopbx.com/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://sourceforge.net/directory/pbx/", "https://www.3cx.com/pbx/", "https://www.freepbx.org/get-started/", "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/", "https://wifitalents.com/best/ip-phone-software/", "https://callwave.com/open-source-pbx/", "https://www.yeastar.com/self-hosted-pbx/", "https://xorcom.com/tag/open-source-ip-pbx/"], "search_results": [{"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-04-18", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "", "source": "web", "title": "Kamailio vs Asterisk vs FreeSWITCH: Best Self-Hosted VoIP/PBX ...", "url": "https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-03-26", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "The 5 Best PBX Systems for Your Business in 2026 - SIP.US", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2025-05-02", "last_updated": "2025-05-04", "place_metadata": null, "snippet": "", "source": "web", "title": "SIP SERVERS", "url": "https://www.scribd.com/document/458305223/SIP-SERVERS"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}, {"date": "2025-07-25", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Freepbx - All The Built-In...", "url": "https://www.freepbx.org/get-started/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX with decent integrated softphone clients?", "url": "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/"}, {"date": "2026-03-12", "last_updated": "2026-05-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Top 10 Best Ip Phone Software of 2026", "url": "https://wifitalents.com/best/ip-phone-software/"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2026-04-24", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX Phone System for Business - Yeastar", "url": "https://www.yeastar.com/self-hosted-pbx/"}, {"date": null, "last_updated": "2026-06-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source IP-PBX | Xorcom", "url": "https://xorcom.com/tag/open-source-ip-pbx/"}]}
{"engine": "perplexity", "model": "sonar", "index": 39, "phrasing": "Which open source self-hosted PBX has the best integration with standard SIP phones?", "citations": ["https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/", "https://github.com/kirklandsig/AIReceptionist", "https://www.voip-info.org/open-source-voip-software/", "https://hapbx.com/open-source-pbx/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://www.freepbx.org/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/", "https://getvoip.com/blog/open-source-pbx/", "https://sourceforge.net/directory/voip/", "https://www.mikopbx.com/", "https://www.asterisk.org/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://gitnux.org/best/voip-telephone-software/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"], "search_results": [{"date": "2026-04-18", "last_updated": "2026-07-14", "place_metadata": null, "snippet": "|Capability|Details|\n...\n- **Choose Kamailio** if you only need SIP signaling — routing, load balancing, or a SIP front-end.\nPair it with a media server for full PBX functionality.\nMany large deployments use Kamailio as the front-end with Asterisk or FreeSWITCH handling media in the backend.\n- **Cho...", "source": "web", "title": "Kamailio vs Asterisk vs FreeSWITCH: Best Self-Hosted VoIP/PBX ...", "url": "https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/"}, {"date": "2026-03-02", "last_updated": "2026-05-28", "place_metadata": null, "snippet": "- New deployments: pick a SIP trunk provider (Twilio Elastic SIP,\nTelnyx, Signalwire), buy or port a DID to them, and point their\nOrigination URI at LiveKit's SIP endpoint\n(`sip:<project-id>.sip.livekit.cloud;transport=tcp`).\nEnable SIP\nREFER on the trunk so call transfers work.\n- Then create a Live...", "source": "web", "title": "kirklandsig/AIReceptionist: Open-source, self-hosted AI ... - GitHub", "url": "https://github.com/kirklandsig/AIReceptionist"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "## PBX platforms\nSome of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Lin...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "**Eqivo** – Eqivo implements an API layer on top of FreeSWITCH facilitating integration between web applications and voice/video-enabled endpoints such as traditional phone lines (PSTN), VoIP phones, webRTC clients etc.", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2024-07-29", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "A few solid ones people use are Asterisk or FreeSWITCH for full PBX/telephony setups, and Kamailio/OpenSIPS if you just want powerful SIP routing without all the extra stuff.", "source": "web", "title": "What is the best open source VoIP tech?", "url": "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995"}, {"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self-hosted PBX with decent integrated softphone clients?", "url": "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n- Best for large businesses and enterprises: SIP Foundry\n- Best for SMBs: Asterisk\n- Best for startups and small businesses: OpenPBX, Kamailio, or OpenSIPS\n- Best for small remote teams: 3CX\n- Best for those in the education/government sec...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX works with all IP providers.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": "2026-03-12", "last_updated": "2026-04-04", "place_metadata": null, "snippet": "|#|Tool|Category|Overall|Features|Ease of Use|Value|\n...\nIt supports flexible deployment options including self-hosted on Windows/Linux or cloud-hosted instances, integrating seamlessly with SIP trunks and popular hardware phones.", "source": "web", "title": "Top 10 Best Voip Telephone Software of 2026 - Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "There isn't a single \"best\" because the right pick depends on whether you're a single business, a software team building a custom voice product, or a service provider hosting voice for multiple customers.\nAsterisk plus FreePBX wins for single-business deployments.\nFreeSWITCH wins for custom builds.\n...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}]}
{"engine": "perplexity", "model": "sonar", "index": 40, "phrasing": "What open source PBX platform is best for building custom telephony applications?", "citations": ["https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.freepbx.org/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://getvoip.com/blog/open-source-pbx/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://sourceforge.net/directory/telephony/", "https://hapbx.com/open-source-pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://callwave.com/open-source-pbx/", "https://gitnux.org/best/voip-pbx-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html"], "search_results": [{"date": "2026-02-10", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**Quick answer:** The 10 strongest open source unified communications platforms in 2026 are FreeSWITCH, Asterisk, ICTCore, ICTDialer, Kamailio, OpenSIPS, FusionPBX, Jitsi, Matrix (Element), and BigBlueButton.\n...\nFreeSWITCH is the most flexible open source telephony engine available.\n...\n|If you nee...", "source": "web", "title": "10 Best Open Source Unified Communications Software in ...", "url": "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nIf you are a small to medi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\nAsterisk is best for small businesses and SMBs that need a custom VoIP phone system with a focus on voice and texting functionality.\n...\nHere are some suggestions for organizations of various sizes and industries:\n- Best for large business...", "source": "web", "title": "The Best Free and Open-Source PBX Software - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2026-06-23", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|Name|License|Self-Hosted|Federation|E2E Encryption|Best For|\n...\n**If you need a complete, self-hosted PBX and can invest in setup**, start with FusionPBX—it's FreeSWITCH with a UI, cutting deployment time by weeks.\n**If you're scaling beyond 1,000 concurrent calls and have a dedicated ops team**, ...", "source": "web", "title": "5 Best Open Source FreeSWITCH Alternatives (2026)", "url": "https://opensourceprojects.cc/alternatives/freeswitch"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "The most popular open source telephony application is Asterisk – an open-source communications platform written in C runtime environment originally created by Mark Spencer in 1999.", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026): Top Free Tools vs ...", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2026-03-18", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**VICIdial** --- The dominant open source contact center platform.\nFull predictive dialing, inbound ACD, blended campaigns, call recording, real-time monitoring, agent scripting, and a non-agent API.\n...\n### What is the best open source call center software in 2026?\nVICIdial is the only open source ...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared - ViciStack", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"date": "2026-05-07", "last_updated": "2026-05-10", "place_metadata": null, "snippet": "**Pick Asterisk plus FreePBX.** The community is huge, the deployment is well-trodden, and the feature set is more than enough for an internal phone system.\nYou're a software team building a custom voice product or a contact-center workload where you control the call flow from your own code.\n**Pick ...", "source": "web", "title": "Open Source PBX Software in 2026: A Practical Buyer's Guide", "url": "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"}, {"date": "2012-06-07", "last_updated": "2026-03-28", "place_metadata": null, "snippet": "The open source project Asterisk (see below in PBX platforms) implements a software based PBX (Private Branch Exchange), or a private telephone switch that provides switching (including a full set of switching features) for an office or campus.\n...\n3. **Open Source Software PBX**– Open Source PBX de...", "source": "web", "title": "74 Open Source VoIP Apps &amp; Resources", "url": "https://www.cnblogs.com/ericdev/articles/2540590.html"}, {"date": "2024-01-31", "last_updated": "2025-09-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Free Open-Source PBX Software for 2023", "url": "https://callwave.com/open-source-pbx/"}, {"date": "2026-03-12", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "Asterisk is an open-source communications framework for creating custom VoIP PBX systems.\n...\nAfter evaluating 10 technology digital media, Dialpad stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in t...", "source": "web", "title": "Best Voip Pbx Software: 2026 Comparison - Gitnux", "url": "https://gitnux.org/best/voip-pbx-software/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}]}
{"engine": "perplexity", "model": "sonar", "index": 41, "phrasing": "Recommend an open source PBX software with robust REST APIs for CRM integration.", "citations": ["https://www.freepbx.org/", "https://sourceforge.net/software/product/ICTPBX/", "https://www.pbxforums.com/threads/fs-pbx-api-v1-is-live-external-integrations.8936/", "https://selfhostedworld.com/software/wazo/", "https://www.asterisk.org/", "https://github.com/topics/pbx", "https://ictinnovations.com/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://github.com/wazo-platform", "https://community.freepbx.org/t/freepbx-16-and-restapi/82357", "https://github.com/mikopbx/Core", "https://sourceforge.net/directory/pbx/linux/", "https://community.openai.com/t/open-source-project-for-voip-calls-to-a-bot/1273028", "https://www.voip-info.org/open-source-voip-software/", "https://github.com/freepbx", "https://community.freepbx.org/t/getting-started-for-freepbx-api-pbx-api-module/94068", "https://www.linphone.org/en/linphone-softphone/", "https://getvoip.com/blog/open-source-pbx/", "https://sourceforge.net/directory/telephony/", "https://www.nextiva.com/blog/open-source-call-center-software.html"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": null, "last_updated": "2026-05-12", "place_metadata": null, "snippet": "ICTPBX is an open source, carrier-grade PBX platform built for ISPs, ITSPs, and service providers.\nIt combines FreeSWITCH 1.10 as the media engine with FusionPBX 6.6 for PBX configuration, unified through the ICTCore REST API and managed from a modern Angular 13 web dashboard.", "source": "web", "title": "ICTPBX", "url": "https://sourceforge.net/software/product/ICTPBX/"}, {"date": "2026-01-08", "last_updated": "2026-05-16", "place_metadata": null, "snippet": "We’ve shipped the first set of\n**FS PBX API v1** endpoints intended specifically for**external use**(CRMs, billing systems, automation tools, provisioning workflows, custom portals, etc.).\n...\n### FS PBX API Reference v1 | FS PBX – Open Source PBX Dashboard for VoIP Providers\nThe FS PBX API is organ...", "source": "web", "title": "FS PBX API v1 is Live (External Integrations)", "url": "https://www.pbxforums.com/threads/fs-pbx-api-v1-is-live-external-integrations.8936/"}, {"date": "2025-08-09", "last_updated": "2025-08-15", "place_metadata": null, "snippet": "Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.", "source": "web", "title": "Wazo - Self-hosted software", "url": "https://selfhostedworld.com/software/wazo/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-08-20", "last_updated": "2025-08-24", "place_metadata": null, "snippet": "☎️ Elastix and Asterisk API to make PBX easy to manage\n...\nIssabel Is A Free Open Source Software Platform For Unified Communications.", "source": "web", "title": "Build software better, together", "url": "https://github.com/topics/pbx"}, {"date": "2026-05-24", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Advanced omni-channel contact center with IVR studio, CRM automation, collaboration and WebRTC agent dialing.\nScales to thousands of agents.\n...\nFax-over-IP server with Email-to-Fax, Fax-to-Email and Web-to-Fax.\nT.38 & G.711 origination, ATA support and full REST APIs.\n...\n### ICTDialer & ICTCRM OPE...", "source": "web", "title": "Open Source VoIP & ICT Software | ICT Innovations", "url": "https://ictinnovations.com/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2025-10-21", "last_updated": "2025-10-21", "place_metadata": null, "snippet": "An open source software programmable telecommunication platform\n...\nWazo Platform is an open-source Unified Communication solution designed to provide comprehensive communication tools for businesses.\nIt includes features such as IP telephony, instant messaging, video conferencing, and more.", "source": "web", "title": "Wazo Platform", "url": "https://github.com/wazo-platform"}, {"date": "2022-04-02", "last_updated": "2025-09-13", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX 16 and RestAPI - Development", "url": "https://community.freepbx.org/t/freepbx-16-and-restapi/82357"}, {"date": "2019-06-07", "last_updated": "2026-04-16", "place_metadata": null, "snippet": "MikoPBX is an open-source GUI (graphical user interface) that controls and manages Asterisk (PBX).\n...\nMikoPBX - is free, easy to setup PBX for small business based on Asterisk 16 core", "source": "web", "title": "MikoPBX — free open-source PBX for small business, built ...", "url": "https://github.com/mikopbx/Core"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2025-05-30", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Open source project for VOIP calls to a bot", "url": "https://community.openai.com/t/open-source-project-for-voip-calls-to-a-bot/1273028"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "Some of these include SIP proxy functionality\n- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2026-07-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX", "url": "https://github.com/freepbx"}, {"date": "2024-01-23", "last_updated": "2026-06-08", "place_metadata": null, "snippet": "The commercial module rest API is deprecated.\nThe API module does both rest and graphql.\n...\n```", "source": "web", "title": "Getting Started for FreePBX API (PBX API Module) - Development", "url": "https://community.freepbx.org/t/getting-started-for-freepbx-api-pbx-api-module/94068"}, {"date": "2026-06-03", "last_updated": "2026-07-29", "place_metadata": null, "snippet": "", "source": "web", "title": "Linphone Softphone", "url": "https://www.linphone.org/en/linphone-softphone/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n...\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n...\nREST APIs allow integration of features, including...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Open source telephony software is a category of software that enables the user to make and receive telephone calls using shared or open-source code.", "source": "web", "title": "Best Open Source Telephony Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/telephony/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "- **CRM integrations:** Mature open source software may have pre built integrations.\nOther software may require extensive API and SDK programming to achieve a two-way information exchange between back-end and front-end systems.\n...\nAsterisk is a widely used open source PBX framework with call center...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}]}
{"engine": "perplexity", "model": "sonar", "index": 42, "phrasing": "What open source PBX software should a real estate office self-host?", "citations": ["https://www.freepbx.org/", "https://sourceforge.net/directory/pbx/", "https://sourceforge.net/directory/pbx/linux/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.fspbx.com/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://hapbx.com/open-source-pbx/", "https://www.asterisk.org/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://getvoip.com/blog/open-source-pbx/", "https://github.com/topics/pbx", "https://xorcom.com/voip-pbx-phone-system-real-estate/", "https://www.voip-info.org/open-source-voip-software/", "https://github.com/freepbx", "https://gitnux.org/best/voip-pbx-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://krispcall.com/blog/open-source-pbx-software/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "https://community.spiceworks.com/t/suggestions-for-getting-started-with-an-in-house-pbx-sip-sever/937276"], "search_results": [{"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "- **Asterisk: ** An open source telephony engine that supports voice, video, data and text communication.\nIt provides PBX features such as call routing, auto attendants, VoIP integration and call conferencing.\n- **FreePBX: ** A web-based graphical user interface built on top of the Asterisk engine.\n...", "source": "web", "title": "Best Open Source PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/"}, {"date": "2025-04-30", "last_updated": "2026-01-31", "place_metadata": null, "snippet": "Browse free open source PBX software and projects for Linux below.\n...\nIssabel PBX - Unified Communications\nUnified Communications Server\nVICIdial Contact Center Suite\nA domain based multi-tenant PBX & voice switch for FreeSWITCH", "source": "web", "title": "Best Open Source Linux PBX Software 2026", "url": "https://sourceforge.net/directory/pbx/linux/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx : r/VOIP", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": null, "last_updated": "2026-07-28", "place_metadata": null, "snippet": "FS PBX is not just a product, it’s a community-driven open-source project.\nLicensed under the Apache 2.0 License, it is free to use, modify, and distribute.", "source": "web", "title": "FS PBX – Open Source PBX Dashboard for VoIP Providers", "url": "https://www.fspbx.com/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "Here we list the 6 best open-source PBX solutions with information about their PBX software and features, so you can make an informed decision when finding a PBX provider:\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX\n5. FreeSWITCH\n6. OpenPBX by Voicetronix\n### 1.", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-06-20", "last_updated": "2026-07-24", "place_metadata": null, "snippet": "The best open source VoIP and PBX software available today includes FreePBX for accessible single-site deployments, FusionPBX for multi-tenant and carrier-grade requirements, and the raw Asterisk and FreeSWITCH engines for organizations that need maximum customization.\n...\nIf you are a small to medi...", "source": "web", "title": "Best Open Source VoIP and PBX Software", "url": "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "The top open source PBX providers are:\n|**Provider**|**Pricing**|**Key Features**|**Best For**|\n|--|--|--|--|\n|Asterisk|Free and Open|- Remote call forwarding - Number porting - SMS|Small companies setting up a cloud based phone system for the first time|\n|SIP Foundry|Free and Open|- Video conferenc...", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2025-08-20", "last_updated": "2025-08-24", "place_metadata": null, "snippet": "MikoPBX - is free, easy to setup PBX for small business based on Asterisk 16 core\n...\nIssabel Is A Free Open Source Software Platform For Unified Communications.\nBased on Asterisk PBX, Email, SMS, Chat, RealTime Video & Collaboration Tools", "source": "web", "title": "Build software better, together", "url": "https://github.com/topics/pbx"}, {"date": "2016-04-26", "last_updated": "2026-05-15", "place_metadata": null, "snippet": "", "source": "web", "title": "VoIp Phone System for Real Estate Agencies", "url": "https://xorcom.com/voip-pbx-phone-system-real-estate/"}, {"date": "2022-10-10", "last_updated": "2026-08-10", "place_metadata": null, "snippet": "- Asterisk: Open Source PBX.\nSupports IAX, SIP, MGCP, H.323 and other protocols\n- CallWeaver: a fork of Asterisk with T.38 termination\n- FreeSwitch Open Source PBX and Soft Switch\n- OpenPBX: Open Source PBX developed using Perl\n- PBX4Linux: ISDN PBX with H.323 GW\n- sipwitch: GNU project’s Pure SIP c...", "source": "web", "title": "Open Source VOIP Software & Servers - VoIP-Info.org", "url": "https://www.voip-info.org/open-source-voip-software/"}, {"date": "2026-07-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "FreePBX is an open-source web-based graphical user interface (GUI) that manages Asterisk\n...\nThat’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.", "source": "web", "title": "FreePBX", "url": "https://github.com/freepbx"}, {"date": "2026-03-12", "last_updated": "2026-08-05", "place_metadata": null, "snippet": "Asterisk is an open-source communications framework for creating custom VoIP PBX systems.", "source": "web", "title": "Best Voip Pbx Software: 2026 Comparison - Gitnux", "url": "https://gitnux.org/best/voip-pbx-software/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "Asterisk is a widely used open source PBX framework with call center components available as add-ons.\n...\nFusionPBX is a versatile open source software that can also double as a fax server, VoIP server, voicemail server, or conference server.\n...\nIncredible PBX is an open source project that provide...", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"date": null, "last_updated": "2025-11-04", "place_metadata": null, "snippet": "- The best free open-source PBX software are Asterisk, FreePBX, SIP Foundry, Elastix, FreeSWITCH, etc.\n...\n|Software|Pricing|Top Features|Best For|\n...\n|Elastix|Free and open-source|Conference center with virtual rooms, Caller ID, Multiple trunk support, and Voicemail-to-Email Functionality|Business...", "source": "web", "title": "10 Best Free Open Source PBX Software in 2024", "url": "https://krispcall.com/blog/open-source-pbx-software/"}, {"date": "2022-06-07", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "If you're looking for PBX software that you can host on your own server and need to handle 4 to 10 concurrent calls with extensions, along with call recording capabilities, there are several excellent options to consider:\n1. **Asterisk**: This is one of the most popular open-source PBX solutions.\nIt...", "source": "web", "title": "Open source best PBX sokution", "url": "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/"}, {"date": "2024-03-11", "last_updated": "2026-01-20", "place_metadata": null, "snippet": "If you insist on self-hosting then I have found 3CX to be pretty hands off and easy to manage/support.", "source": "web", "title": "Seeking Advice: Best Secure and Open-Source PBX for Small Business?", "url": "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/"}, {"date": "2022-10-01", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Suggestions for getting started with an in-house PBX/Sip ...", "url": "https://community.spiceworks.com/t/suggestions-for-getting-started-with-an-in-house-pbx-sip-sever/937276"}]}
{"engine": "perplexity", "model": "sonar", "index": 43, "phrasing": "Best open source self-hosted IP phone system for a government department", "citations": ["https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.freepbx.org/", "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://sourceforge.net/directory/internet-phone/", "https://zipdo.co/best/ip-phone-software/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hapbx.com/free-pbx/", "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/", "https://hapbx.com/open-source-pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995", "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/", "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/", "https://www.asterisk.org/", "https://sourceforge.net/directory/voip/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/", "https://www.nextiva.com/blog/open-source-call-center-software.html"], "search_results": [{"date": "2024-09-16", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What is your favorite self hosted VOIP / PBX? (pls don't upvote)", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"date": "2023-05-31", "last_updated": "2026-04-30", "place_metadata": null, "snippet": "", "source": "web", "title": "List of Top Free Open Source & Self Hosted Application for ...", "url": "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/"}, {"date": "2025-11-07", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system", "url": "https://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/"}, {"date": "2013-06-18", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source Internet Phone Software 2026", "url": "https://sourceforge.net/directory/internet-phone/"}, {"date": "2026-03-12", "last_updated": "2026-06-23", "place_metadata": null, "snippet": "|#|Tools|Category|Value|Overall|\n...\n3CX Phone System earns the top spot in this ranking.", "source": "web", "title": "Top 10 Best Ip Phone Software | Tested in 2026", "url": "https://zipdo.co/best/ip-phone-software/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "", "source": "web", "title": "Best open source pbx", "url": "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/"}, {"date": "2026-02-25", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "5 Best Free PBX Systems: The Pros, Cons, and Hidden Costs - hapbx", "url": "https://hapbx.com/free-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self Hosted VOIP for Home : r/selfhosted", "url": "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/"}, {"date": "2026-01-23", "last_updated": "2026-07-01", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source PBX Software Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"date": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "- Best for those in the education/government sector: SIP Foundry\n## FAQs\nOpen source PBX is a business phone system that is free for anyone to use and uses the internet to connect voice calls along with other communication channels such as texting and fax.", "source": "web", "title": "The Best Free and Open-Source PBX Software", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "What's a good FOSS X-platform self-hosted VOIP program?", "url": "https://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program"}, {"date": "2024-07-29", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "What is the best open source VoIP tech?", "url": "https://forum.creality.com/t/what-is-the-best-open-source-voip-tech/14995"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Open Source or very lost cost VOIP or PBX System at home for Small Business", "url": "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/"}, {"date": "2026-04-11", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "", "source": "web", "title": "Show HN: Open-source self-hosted telephony platform with composable audio DSL", "url": "https://www.reddit.com/r/VOIP/comments/1siiu33/show_hn_opensource_selfhosted_telephony_platform/"}, {"date": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2023-05-25", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Building a Personal VoIP System", "url": "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/"}, {"date": "2026-07-04", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Better Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}]}