{"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://getvoip.com/blog/open-source-pbx/", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.freepbx.org/", "https://hapbx.com/open-source-pbx/", "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.techradar.com/best/pbx-phone-systems", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://callhippo.com/blog/general/free-pbx-open-source-software", "https://dialerhq.com/blog/free-open-source-pbx-software/", "https://sourceforge.net/software/pbx/for-small-business/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://sourceforge.net/directory/pbx/", "https://callwave.com/open-source-pbx/", "https://krispcall.com/blog/open-source-pbx-software/", "https://www.softwaresuggest.com/blog/free-pbx-open-source-software/", "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": "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 - GetVoIP", "url": "https://getvoip.com/blog/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.", "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": "", "source": "web", "title": "FreePBX | Open source, web-based, IP PBX management tool.", "url": "https://www.freepbx.org/"}, {"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": "2026-05-07", "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...\n### What's the b...", "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": "", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2025-11-06", "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": "2026-06-20", "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": 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": 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": "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": "2025-04-30", "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": "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": null, "last_updated": "2025-11-04", "place_metadata": null, "snippet": "|Software|Pricing|Top Features|Best For|\n...\n|Asterisk|Free and open-source.\nFor the paid plan: Start from $595/year|Voicemail, Call recording, IVR, SMS/text messaging and conference calling|Startups, SMBs, call centers|\n...\n|OpenPBX by Voicetronix|Free and open-source|Click-to-dial, Call Transfer, ...", "source": "web", "title": "10 Best Free Open Source PBX Software in 2024", "url": "https://krispcall.com/blog/open-source-pbx-software/"}, {"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": "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": "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": 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://getvoip.com/blog/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.ictbroadcast.com/cloud-call-center-software-open-source/", "https://ringoffice.com/blog/top-cloud-phone-systems", "https://www.freepbx.org/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://getvoip.com/blog/free-call-center-software/", "https://gitnux.org/best/voip-phone-software/", "https://hapbx.com/open-source-pbx/", "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://www.liveagent.com/blog/best-voip-phone-systems-and-integrations/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"], "search_results": [{"date": "2024-05-30", "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "source": "web", "title": "Self hosted voip / phone system : r/selfhosted - Reddit", "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 - 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...\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": "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": "2026-05-21", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "14 Best Cloud Phone Systems for 2026 - RingOffice", "url": "https://ringoffice.com/blog/top-cloud-phone-systems"}, {"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": "2021-12-06", "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": "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": "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": "2025-11-06", "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 - Yeastar", "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": "2026-07-03", "last_updated": "2026-08-09", "place_metadata": null, "snippet": "", "source": "web", "title": "20 Best VoIP phone systems and integrations - LiveAgent", "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"}, {"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": 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://sourceforge.net/directory/voip/", "https://www.voip-info.org/open-source-voip-software/", "https://www.opensourcegroups.com/open-source-voip/free-voip-software.php", "https://www.veloceinternational.com/business/open-source-voip-applications/", "https://www.freepbx.org/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://gitnux.org/best/voip-pbx-software/", "https://gitnux.org/best/voip-telephone-software/", "https://www.goodfirms.co/voip-software/blog/the-10-best-free-and-open-source-voip-software", "https://getvoip.com/blog/open-source-pbx/", "https://ictinnovations.com/top-best-free-open-source-pbx-solutions/", "https://html.com/blog/voip-top-50-open-source-voip-apps/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://hapbx.com/open-source-pbx/", "https://en.wikipedia.org/wiki/Category:Free_VoIP_software", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm"], "search_results": [{"date": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Browse free open source VoIP software and projects below.", "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": "## 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": "2026-06-20", "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": "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": "2025-11-07", "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": "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": "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": "2026-08-05", "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": "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": "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 - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": "2015-05-19", "last_updated": "2026-08-12", "place_metadata": null, "snippet": "When it comes to open source VoIP systems, Asterisk is essentially the **gold standard**.\nIt’s an open-source PBX platform that a vast number of companies of all sizes use around the world.\n...\nThe Asterisk PBX system is totally free and open-source, so without paying any licensing fees, you can dep...", "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": 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": "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": "2026-01-23", "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): Top Free Tools vs ...", "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- Coccinella (software)\n### E\n- Ekiga\n- Elastix\n- Empathy (software)\n### F\n- FreePBX\n- FreeSWITC...", "source": "web", "title": "Category:Free VoIP software - Wikipedia", "url": "https://en.wikipedia.org/wiki/Category:Free_VoIP_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"}]}
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VoIP-Info.org", "url": "https://www.voip-info.org/open-source-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": "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. - 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Gitnux", "url": "https://gitnux.org/best/voip-telephone-software/"}, {"date": "2023-10-29", "last_updated": "2025-10-26", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Mid-sized Companies IP PBX Systems 2026", "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? 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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 - 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Advanced PBX System", "url": "https://vitalpbx.com/"}]}
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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": "2026-05-19", "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://www.cnblogs.com/ericdev/articles/2540590.html", "https://sourceforge.net/directory/pbx/", "https://medevel.com/2x-os-voip-servers/", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://gitnux.org/best/voip-telephone-software/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.asterisk.org/", "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": "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": "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": "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": "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": "2026-03-12", "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": "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": "2025-05-02", "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.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://getvoip.com/blog/open-source-pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://hapbx.com/open-source-pbx/", "https://sourceforge.net/directory/pbx/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://techstorify.com/best-open-source-pbx-software/", "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://callwave.com/open-source-pbx/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.freepbx.org/", "https://www.asterisk.org/", "https://www.mikopbx.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": "2026-03-18", "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": "2026-02-10", "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": "2026-07-04", "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": "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", "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": "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": "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": "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": "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": "2026-05-07", "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": "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", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"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": "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": "2025-03-10", "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/"}]}
{"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://github.com/awesome-selfhosted/awesome-selfhosted", "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://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "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://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/", "https://hapbx.com/open-source-pbx/", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://getvoip.com/blog/open-source-pbx/", "https://www.yeastar.com/self-hosted-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.", "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": "", "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": "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": "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": "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": "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": 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": "|**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): Top Free Tools vs ...", "url": "https://hapbx.com/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": "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/"}, {"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": 11, "phrasing": "We want to replace our legacy PBX hardware with self-hosted open source software. What are our best options?", "citations": ["https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://voiso.com/articles/best-open-source-call-center-software/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://hapbx.com/open-source-pbx/", "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://www.reddit.com/r/selfhosted/comments/1d3xc8x/self_hosted_voip_phone_system/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.scribd.com/document/458305223/SIP-SERVERS", "https://sourceforge.net/directory/pbx/linux/", "https://www.freepbx.org/", "https://getvoip.com/blog/open-source-pbx/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.asterisk.org/", "https://www.mikopbx.com/", "https://sourceforge.net/directory/pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.3cx.com/pbx/", "https://community.spiceworks.com/t/free-pbx-private-cloud/945099"], "search_results": [{"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": "2026-06-23", "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": "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": "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": "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": "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": "2026-05-07", "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": 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": "2026-07-04", "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": "2025-04-30", "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": "", "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|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": "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": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Firstly, you should check whether your system requires an operating system such as Linux or Windows, and that your computer meets the minimum recommended requirements for installation.\nOnce you have installed the necessary software, you should download the specifically designed PBX software.\nThis sh...", "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 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 simple queue requirements, FreePBX or FusionPBX may suffice.\nBut f...", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-call-center-software/"}, {"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", "url": "https://www.3cx.com/pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "", "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": 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://sip.goffinet.org/voip/telephonie-logiciels-open-source/", "https://www.ictdialer.com/10-best-open-source-unified-communications-software-solutions/", "https://www.freepbx.org/", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://www.voip-info.org/open-source-voip-software/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "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://sourceforge.net/directory/voip/", "https://www.infradapt.com/schools/open-source-telephony-for-schools/", "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": "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": "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": "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": "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": "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": "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 (2026): Self-Hosted & Asterisk", "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": "2025-04-30", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "", "source": "web", "title": "Best Open Source VoIP Software 2026 - 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What software should we buy or deploy?", "citations": ["https://www.ict.vision/ict-pbx", "https://github.com/sipstack/sipstack", "https://github.com/g613/virtual-pbx", "https://community.freepbx.org/t/open-source-solution-for-cloud-based-multi-tenant-pbx/37704", "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://community.asterisk.org/t/building-a-multi-tenant-asterisk-platform/98324", "https://www.anrizvoip.com/voip-opensource-development/", "https://www.pbxforums.com/threads/other-multi-tenant-pbx.6653/", "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://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": "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": "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": 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", "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- VoiceMail boxes,\n- ...", "source": "web", "title": "GitHub - 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(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://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://voiso.com/articles/best-open-source-call-center-software/", "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": "Asterisk is the world’s most popular open source communications project that lets you create telephony apps for IP PBXs, VoIP Gateways and Conference Servers.\n...\nICTDialer is bundled with free and open source web-based IVR designer that can design your IVR through interactive, graphical, drag and d...", "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...\nAsterisk has got better (I still have a couple of running installs) but Freeswitch is more stable & flexible.\n...\nIf you're inexperienced try Apstel Visual Dial...", "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": "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": "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": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "**PBX and IVR Platforms **\n...\n**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 ...", "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://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://community.spiceworks.com/t/best-windows-free-voip-pabx/219401", "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.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.freepbx.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": "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": "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": "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": "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": "2025-11-07", "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": "2026-07-29", "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://hapbx.com/open-source-pbx/", "https://tragofone.com/freeswitch-softphone-ultimate-guide-asterisk-pbx-comparison/", "https://www.anrizvoip.com/voip-opensource-development/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://vitalpbx.com/blog/asterisk-pbx-multicore-4500-calls-test/", "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://ictinnovations.com/best-open-source-contact-center-software-2026/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "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", "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": "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 Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"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": 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", "url": "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/"}, {"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 ...", "url": "https://vitalpbx.com/blog/asterisk-pbx-multicore-4500-calls-test/"}, {"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", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"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": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & 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": "2026-05-19", "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 ...", "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": "2026-08-12", "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://vicistack.com/blog/open-source-call-center-software/", "https://www.getapp.com/it-communications-software/call-recording/p/open-source/", "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.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://voice.ai/hub/ai-voice-agents/free-call-center-software/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://open-innovation-projects.org/blog/discover-the-best-open-source-software-for-recording-calls-and-revolutionize-your-communication", "https://sourceforge.net/projects/oreka/", "https://github.com/freepbx/callrecording", "https://github.com/voiceip/oreka", "https://www.mikopbx.com/", "https://us.fitgap.com/search/call-recording-software/open-source", "https://getvoip.com/blog/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://hapbx.com/open-source-pbx/", "https://www.asterisk.org/", "https://www.reddit.com/r/sysadmin/comments/1bcelc8/seeking_advice_best_secure_and_opensource_pbx_for/", "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": "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": "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": "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": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "", "source": "web", "title": "6 Best Open-Source PBX Solutions", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"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": "2024-09-13", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "10 Open Source Call Center Software Options & Alternatives", "url": "https://www.nextiva.com/blog/open-source-call-center-software.html"}, {"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": "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": "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": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"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": "2025-01-22", "last_updated": "2026-08-08", "place_metadata": null, "snippet": "", "source": "web", "title": "The Best Free and Open-Source PBX Software", "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", "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": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"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": "Open Source Call Recording", "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://softwarerecs.stackexchange.com/questions/78321/whats-a-good-foss-x-platform-self-hosted-voip-program", "https://www.devopsschool.com/blog/list-of-top-free-open-source-self-hosted-application-for-communication-sip/", "https://www.freepbx.org/", "https://www.opensourcegroups.com/open-source-voip/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://gitnux.org/best/voip-phone-software/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.reddit.com/r/selfhosted/comments/14gijue/self_hosted_voip_for_home/", "https://github.com/kirklandsig/AIReceptionist", "https://www.asterisk.org/", "https://www.reddit.com/r/selfhosted/comments/u91xjj/open_source_or_very_lost_cost_voip_or_pbx_system/", "https://getvoip.com/blog/open-source-pbx/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "https://www.cnblogs.com/ericdev/articles/2540590.html", "https://selfh.st/apps/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/"], "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 : 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": 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": "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": "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": "2026-08-11", "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": "2025-07-23", "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": "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.", "source": "web", "title": "Vonage Voice Api", "url": "https://gitnux.org/best/voip-phone-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": 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": "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": "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 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": "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": "2024-02-12", "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": "2024-09-16", "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": "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": "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": "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": "2023-05-25", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "First, install Asterisk:\n```\ndnf install asterisk asterisk-pjsip asterisk-voicemail-plain\n```", "source": "web", "title": "Building a Personal VoIP System", "url": "https://www.sacredheartsc.com/blog/building-a-personal-voip-system/"}]}
{"engine": "perplexity", "model": "sonar", "index": 26, "phrasing": "Self-hosted open source PBX software for financial services firm", "citations": ["https://hapbx.com/open-source-pbx/", "https://opensourceprojects.cc/alternatives/freeswitch", "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/", "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.opensourcegroups.com/open-source-voip/", "https://sourceforge.net/directory/pbx/linux/", "https://www.asterisk.org/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://getvoip.com/blog/open-source-pbx/", "https://dev.to/tahiralmas/open-source-pbx-software-in-2026-a-practical-buyers-guide-4hhm", "https://www.mikopbx.com/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://sourceforge.net/directory/voip/", "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server", "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.\nThe biggest hidden cost is the IT labor required for maintenance.", "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": "- **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": "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": "2025-08-09", "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 integrat...", "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": "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.\n...\nSelf-hosted open source VoIP gives you complete ownership of your communications infrastructure.\nYour call data never leave...", "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": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"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": "2025-01-22", "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 - GetVoIP", "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": null, "last_updated": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"date": "2026-07-04", "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": "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": "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": "2026-04-24", "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 - 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...\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...\n### Can I self hos...", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise - 3CX", "url": "https://www.3cx.com/pbx/"}]}
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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": "2026-01-23", "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|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 - GetVoIP", "url": "https://getvoip.com/blog/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": "2025-09-13", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "FreePBX is the world’s most popular open-source IP-PBX (Private Branch Exchange) platform, designed to give businesses total control over their telecommunications.\n...\nYes.\nFree Cloud PBX solutions are ideal for startups, remote teams, and small businesses that need professional call handling withou...", "source": "web", "title": "8 Best Free Cloud PBX Providers - REVE Systems", "url": "https://www.revesoft.com/blog/cloud-telephony/free-cloud-pbx/"}, {"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": "- 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": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"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": "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": 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": "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": "2025-05-29", "last_updated": "2025-05-31", "place_metadata": null, "snippet": "*Cloud-Hosted Deployment *\n|Best for|Businesses without dedicated IT staff Companies with remote teams Organizations needing instant scalability|\n...\n|Pros|No hardware investment Automatic software updates Global accessibility|", "source": "web", "title": "How to choose the best asterisk-based PBX for your business", "url": "https://voip.ms/blog/best-asterisk-based-pbx/"}, {"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://selfhostyourself.com/alternative-to/cloudtalk", "https://community.freepbx.org/t/open-source-browser-extension-webrtc-sip-phone-for-freepbx/109772", "https://www.siperb.com/kb/browser-phone/", "https://github.com/miroslavpejic85/mirotalk", "https://github.com/topics/pbx", "https://webrtc.ventures/partners/webrtc-architecture-options/", "https://deepwiki.com/custompbx/custompbx/7.2-webrtc-calling", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://blog.bistux.com/best-open-source-webrtc-sip-server/", "https://github.com/orgs/community/discussions/153618", "https://www.freepbx.org/", "https://openvidu.io/", "https://github.com/meetecho/janus-gateway", "https://github.com/rtckit/awesome-rtc", "https://getvoip.com/blog/open-source-pbx/", "https://hapbx.com/open-source-pbx/", "https://github.com/InnovateAsterisk/Browser-Phone", "https://github.com/nuzulul/awesome-webrtc"], "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.\n...\nIndeed, WhatsApp Calling is compatible with both SIP and WebRTC.\nRustPBX comes...", "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": "2026-01-15", "last_updated": "2026-01-18", "place_metadata": null, "snippet": "Open-source PBX and telephony toolkit for building communications applications; modular C-based engine with SIP, WebRTC, RTP, ARI/AMI APIs and hardware support.\nAsterisk is an open-source telephony engine and PBX toolkit implemented primarily in C and developed for GNU/Linux.\nIt exposes traditional ...", "source": "web", "title": "3 Best Self Hosted CloudTalk alternatives in 2026", "url": "https://selfhostyourself.com/alternative-to/cloudtalk"}, {"date": "2026-06-19", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "**CloudSIP.app** is a WebRTC SIP Phone available both as a standalone web application and as a browser extension.\nIt is designed to work with FreePBX, Asterisk, and other SIP-compatible platforms supporting WebRTC/WSS.\n...\n- SIP over WebSocket (WSS)\n- WebRTC audio calling\n- Browser Extension for Chr...", "source": "web", "title": "Open Source Browser Extension & WebRTC SIP Phone for FreePBX", "url": "https://community.freepbx.org/t/open-source-browser-extension-webrtc-sip-phone-for-freepbx/109772"}, {"date": "2026-04-07", "last_updated": "2026-04-29", "place_metadata": null, "snippet": "**Browser Phone** is an open-source JavaScript SIP/WebRTC softphone — a fully functional telephone that runs in any web browser, connecting to your PBX without plugins, downloads, or proprietary hardware.", "source": "web", "title": "Browser Phone — Siperb Web Phone SDK", "url": "https://www.siperb.com/kb/browser-phone/"}, {"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🚀 WebRTC - P2P - Simple, Secure, Fast Real-Time Video Conferences Up to 8k and 60fps, compatible with all browse...", "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": "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": "2026-06-01", "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": "2026-02-03", "last_updated": "2026-07-25", "place_metadata": null, "snippet": "This document describes the browser-based WebRTC calling implementation in CustomPBX, which enables users to make and receive voice calls directly from the web interface without requiring separate softphone applications.\nThe system supports two WebRTC libraries (SIP.js and Verto) and includes NAT tr...", "source": "web", "title": "WebRTC Calling | custompbx/custompbx | DeepWiki", "url": "https://deepwiki.com/custompbx/custompbx/7.2-webrtc-calling"}, {"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": "2022-10-01", "last_updated": "2024-12-28", "place_metadata": null, "snippet": "Some popular options include:\nKamailio: A high-performance SIP server with support for WebRTC and many other protocols.\nIt is widely used in large, carrier-grade deployments.\nJitsi: A set of open-source projects that provide secure video conferencing and instant messaging capabilities.\nIt includes t...", "source": "web", "title": "Best open source webrtc sip server", "url": "https://blog.bistux.com/best-open-source-webrtc-sip-server/"}, {"date": "2025-03-10", "last_updated": "2026-05-19", "place_metadata": null, "snippet": "### Option A - Self-hosted PBX/B2BUA (flexible, OSS)\n- **FreeSWITCH** or **Asterisk** as your B2BUA/PBX.\n- **Kamailio/OpenSIPS** as SBC/edge if you need SIP routing at scale or multi-tenant isolation.\n- **Janus** or **mediasoup** if you also want WebRTC ingress/egress (e.g., for a browser agent or s...", "source": "web", "title": "Looking for experts on Voice AI over telephony #153618 - GitHub", "url": "https://github.com/orgs/community/discussions/153618"}, {"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": "2026-08-10", "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": "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.\n...\nlibtool gmake autoconf autoconf-wrapper glib", "source": "web", "title": "meetecho/janus-gateway: Janus WebRTC Server", "url": "https://github.com/meetecho/janus-gateway"}, {"date": "2019-11-19", "last_updated": "2025-10-24", "place_metadata": null, "snippet": "- FreeSWITCH - Open source multi-protocol, cross-platform and software switch.\n- Asterisk - PBX framework supporting multiple protocols and platforms.\n...\n- Janus - Lightweight open source, general purpose, WebRTC gateway.", "source": "web", "title": "A curated list of awesome Real Time Communications ...", "url": "https://github.com/rtckit/awesome-rtc"}, {"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", "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": "2020-03-24", "last_updated": "2025-10-10", "place_metadata": null, "snippet": "This web application is designed to work with Asterisk PBX.\n...\nA fully featured browser based WebRTC SIP phone for Asterisk\nwww.siperb.com", "source": "web", "title": "InnovateAsterisk/Browser-Phone: A fully featured ...", "url": "https://github.com/InnovateAsterisk/Browser-Phone"}, {"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"}]}
{"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://hapbx.com/open-source-pbx/", "https://sourceforge.net/directory/pbx/linux/", "https://sourceforge.net/directory/pbx/", "https://ictpbx.com/open-source-pbx-software-2/", "https://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://getvoip.com/blog/open-source-pbx/", "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://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://vicistack.com/blog/open-source-call-center-software/", "https://www.mikopbx.com/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://www.getapp.com/it-communications-software/cloud-pbx/p/open-source/", "https://cloudinfrastructureservices.co.uk/free-pbx-software-open-source-phone-systems/", "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": "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": "2026-01-23", "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 (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": "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": "2026-05-07", "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": "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": "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": "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": "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": "2022-06-07", "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": "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": "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": "2026-07-31", "place_metadata": null, "snippet": "MikoPBX is completely free.", "source": "web", "title": "MikoPBX", "url": "https://www.mikopbx.com/"}, {"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": "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": 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/"}, {"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": 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://gitnux.org/best/asterisk-based-call-center-software/", "https://wifitalents.com/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://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://gitnux.org/best/queue-system-software/", "https://www.freepbx.org/", "https://voiso.com/articles/best-open-source-call-center-software/", "https://sourceforge.net/directory/pbx/", "https://hapbx.com/open-source-pbx/", "https://www.getapp.com/it-communications-software/cloud-pbx/f/queue-manager/", "https://sourceforge.net/directory/pbx/linux/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://github.com/FreePBX/queues", "https://www.asterisk.org/", "https://www.sip.us/blog/latest-news/the-5-best-pbx-systems-for-your-business/", "https://getvoip.com/blog/open-source-pbx/", "https://vitalpbx.com/", "https://ictinnovations.com/comparative-analysis-of-various-open-source-sip-servers/"], "search_results": [{"date": "2026-03-18", "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.\nEverything else is a PBX with inbound queue features.\n....", "source": "web", "title": "Open Source Call Center Software: 5 Platforms Compared", "url": "https://vicistack.com/blog/open-source-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": "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": "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": "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": "2026-02-11", "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": "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": "|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": "2025-04-30", "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": "2026-01-23", "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": "2025-05-26", "last_updated": "2025-05-27", "place_metadata": null, "snippet": "", "source": "web", "title": "Top Rated Cloud PBX Software with Queue manager - GetApp", "url": "https://www.getapp.com/it-communications-software/cloud-pbx/f/queue-manager/"}, {"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": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"date": "2026-03-26", "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": "", "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"}]}
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"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. 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VOIP Solutions", "url": "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/"}, {"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": "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 Guide (2026)", "url": "https://hapbx.com/open-source-pbx/"}, {"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", "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|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": "2026-08-01", "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 ...", "url": "https://www.reddit.com/r/selfhosted/comments/1ficzer/what_is_your_favorite_self_hosted_voip_pbx_pls/"}, {"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", "url": "https://forum.cloudron.io/topic/1133/asterisk-pbx-open-source-voip-ip-pbx-server"}, {"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": "2026-06-11", "last_updated": "2026-08-11", "place_metadata": null, "snippet": "Yes!", "source": "web", "title": "PBX System for Enterprises | Self-host or On-premise", "url": "https://www.3cx.com/pbx/"}, {"date": "2021-12-06", "last_updated": "2026-06-22", "place_metadata": null, "snippet": "- Interactive voice response (IVR) / Auto-attendant\n...\n1. Asterisk\n2. SIP Foundry\n3. FreePBX\n4. 3CX", "source": "web", "title": "6 Best Open-Source PBX Solutions | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/"}, {"date": "2026-04-24", "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/"}]}
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LINBIT", "url": "https://linbit.com/high-availability/"}, {"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": "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"}, {"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/"}]}
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(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 PBX with decent integrated softphone clients?", "url": "https://www.reddit.com/r/VOIP/comments/10bn0vd/selfhosted_pbx_with_decent_integrated_softphone/"}, {"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": "|**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": "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": "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": 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": "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": "2026-07-04", "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": "2026-05-07", "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"}]}
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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...\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": "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": "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": "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": "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": "2026-06-23", "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": "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": "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.", "source": "web", "title": "Best Open Source PBX Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/pbx/"}, {"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": "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": "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": "2026-03-18", "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": "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": "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"}, {"date": "2021-11-24", "last_updated": "2026-05-13", "place_metadata": null, "snippet": "Top open-source PBX solutions include:", "source": "web", "title": "Using SIP Trunks with an Open-Source PBX | Global Call Forwarding", "url": "https://www.globalcallforwarding.com/blog/sip-trunks-with-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/"}]}
{"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://github.com/topics/pbx", "https://selfhostedworld.com/software/wazo/", "https://ictinnovations.com/", "https://www.asterisk.org/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://github.com/wazo-platform", "https://github.com/mikopbx/Core", "https://sourceforge.net/directory/pbx/linux/", "https://hapbx.com/open-source-pbx/", "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://www.linphone.org/en/linphone-softphone/", "https://github.com/freepbx", "https://getvoip.com/blog/open-source-pbx/", "https://cloudinfrastructureservices.co.uk/free-pbx-software-open-source-phone-systems/", "https://www.nextiva.com/blog/open-source-call-center-software.html", "https://sourceforge.net/directory/telephony/", "https://www.pbxforums.com/threads/best-method-for-basic-fusionpbx-api.794/page-2"], "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": "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": "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": "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": "2025-03-10", "last_updated": "2025-11-17", "place_metadata": null, "snippet": "", "source": "web", "title": "Home ⋆ Asterisk", "url": "https://www.asterisk.org/"}, {"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": "2025-10-21", "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": "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 ... - GitHub", "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": "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.", "source": "web", "title": "Best Open Source PBX Software (2026): Self-Hosted & Asterisk", "url": "https://hapbx.com/open-source-pbx/"}, {"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": "2026-06-03", "last_updated": "2026-07-29", "place_metadata": null, "snippet": "", "source": "web", "title": "Linphone Softphone", "url": "https://www.linphone.org/en/linphone-softphone/"}, {"date": "2026-07-29", "last_updated": "2026-08-04", "place_metadata": null, "snippet": "", "source": "web", "title": "FreePBX", "url": "https://github.com/freepbx"}, {"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 - GetVoIP", "url": "https://getvoip.com/blog/open-source-pbx/"}, {"date": null, "last_updated": "2025-11-03", "place_metadata": null, "snippet": "SipX is an open-source PBX software application that executes the Session Initiation Protocol (SIP) to establish an IP-based communication system.\nThis standard-based SIP open architecture makes the software relatively popular to both middle or large enterprises.\nThe writing in it is done using C++ ...", "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/"}, {"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"}, {"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": "2018-02-25", "last_updated": "2025-10-29", "place_metadata": null, "snippet": "", "source": "web", "title": "Best method for Basic FusionPBX API? | Page 2", "url": "https://www.pbxforums.com/threads/best-method-for-basic-fusionpbx-api.794/page-2"}]}
{"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://www.opensourcegroups.com/open-source-voip/best-open-source-voip.php", "https://www.fspbx.com/", "https://sourceforge.net/directory/pbx/linux/", "https://www.globalcallforwarding.com/blog/best-open-source-pbx-solutions/", "https://sourceforge.net/directory/voip/", "https://www.reddit.com/r/VOIP/comments/1ap6z5t/best_open_source_pbx/", "https://getvoip.com/blog/open-source-pbx/", "https://hapbx.com/open-source-pbx/", "https://vicistack.com/blog/open-source-call-center-software/", "https://ictpbx.com/open-source-pbx-software-2/", "https://www.freepbx.org/get-started/", "https://github.com/freepbx", "https://xorcom.com/voip-pbx-phone-system-real-estate/", "https://www.voip-info.org/open-source-voip-software/", "https://voip-solutions.org/498/7-free-open-source-pbx-software-solutions/", "https://www.reddit.com/r/VOIP/comments/v776eo/open_source_best_pbx_sokution/", "https://gitnux.org/best/voip-pbx-software/", "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": "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": 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": "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": "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": "trixbox CE is an easy to install, VOIP phone system based on the Asterisk PBX.\ntrixbox is designed for home or office use.\n...\nElastix is a software-based PBX powered by 3CX and based on Debian.\n...\nVoiceOne gives you the ability to install and compleatly configure a pbx platform based on Asterisk 1...", "source": "web", "title": "Best Open Source VoIP Software 2026 - SourceForge", "url": "https://sourceforge.net/directory/voip/"}, {"date": "2024-02-12", "last_updated": "2026-01-19", "place_metadata": null, "snippet": "FusionPBX for GUI.\nFreeSwitch.\nOpensips for proxy.\n...\nIf you want a turnkey solution and a 5-minute install, nothing comes close to Incredible PBX.\n...\nCheck out FS PBX for FusionPBX.", "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": "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": "2026-03-18", "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.\nLicensed under AGPLv2.\n...\nVICIdial is the only open source platform purpose-built for contact cente...", "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": "2026-07-14", "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://ictpbx.com/open-source-pbx-software-2/"}, {"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...\n- Then, execute our GitHub hosted “install” script, and follow the FreePBX system prompts.", "source": "web", "title": "Freepbx - All The Built-In...", "url": "https://www.freepbx.org/get-started/"}, {"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": "2016-04-26", "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": "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.\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 collabo...", "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": "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": "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...\nFusionPBX is a multi-tenant PBX platform built on FreeSWITCH for hosted and private deployments.\n...\nDialplan programmers typically lean toward Asterisk, FreePBX, FusionPBX, or Issabel, while organizations ...", "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": "If you insist on self-hosting then I have found 3CX to be pretty hands off and easy to manage/support.\nWe use Telnyx for SIP.", "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"}]}