Best self-hosted communication - sip

[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)/[IPBX](https://en.wikipedia.org/wiki/IP_PBX) telephony software.

We track 13 self-hosted communication - sip projects. The median health score in this category is 72, against 4 projects rated healthy or better and none currently flagged as at risk. The table below is ordered by health score, not popularity — the most starred project in a category is frequently not the best maintained one.

#ProjectHealthActivity StarsBuilt withLast release
1 SIPCAPTURE Homer
Troubleshooting and monitoring VoIP calls.
Healthy · 77 2025-10: 1 commits 2025-11: 2 commits 2025-12: 0 commits 2026-01: 1 commits 2026-02: 3 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 221 commits 2026-06: 178 commits 2026-07: 72 commits 2026-08: 116 commits 2k Nodejs, Go 25 Sept 2026
2 Kamailio
Modular SIP server (registrar/proxy/router/etc).
Healthy · 75 2025-10: 63 commits 2025-11: 83 commits 2025-12: 217 commits 2026-01: 213 commits 2026-02: 89 commits 2026-03: 199 commits 2026-04: 177 commits 2026-05: 160 commits 2026-06: 87 commits 2026-07: 96 commits 2026-08: 94 commits 3k C, deb 16 Sept 2026
3 Asterisk
Easy to use but advanced IP PBX system, VoIP gateway and conference server.
Healthy · 72 2025-10: 34 commits 2025-11: 18 commits 2025-12: 31 commits 2026-01: 21 commits 2026-02: 21 commits 2026-03: 23 commits 2026-04: 25 commits 2026-05: 16 commits 2026-06: 41 commits 2026-07: 20 commits 2026-08: 33 commits 3.6k C, deb 17 Sept 2026
4 FusionPBX
Web interface for multi-platform voice switch called FreeSWITCH.
Healthy · 72 2025-10: 138 commits 2025-11: 125 commits 2025-12: 30 commits 2026-01: 144 commits 2026-02: 75 commits 2026-03: 88 commits 2026-04: 144 commits 2026-05: 101 commits 2026-06: 93 commits 2026-07: 70 commits 2026-08: 85 commits 1.1k PHP 21 Sept 2026
5 FreeSWITCH
Scalable open source cross-platform telephony platform.
Steady · 67 2025-10: 1 commits 2025-11: 4 commits 2025-12: 0 commits 2026-01: 1 commits 2026-02: 0 commits 2026-03: 1 commits 2026-04: 1 commits 2026-05: 32 commits 2026-06: 7 commits 2026-07: 24 commits 2026-08: 42 commits 5.2k C 28 Aug 2026
6 openSIPS
SIP proxy/server for voice, video, IM, presence and any other SIP extensions.
Steady · 62 2025-10: 28 commits 2025-11: 21 commits 2025-12: 121 commits 2026-01: 31 commits 2026-02: 49 commits 2026-03: 59 commits 2026-04: 338 commits 2026-05: 70 commits 2026-06: 95 commits 2026-07: 111 commits 2026-08: 182 commits 1.5k C —
7 Routr
Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure.
Steady · 57 2025-10: 0 commits 2025-11: 0 commits 2025-12: 29 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 3 commits 2026-04: 0 commits 2026-05: 4 commits 2026-06: 12 commits 2026-07: 3 commits 2026-08: 2 commits 1.7k Docker, K8S 7 Sept 2026
8 Flexisip
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mo
Slowing · 43 2025-10: 35 commits 2025-11: 18 commits 2025-12: 28 commits 2026-01: 24 commits 2026-02: 26 commits 2026-03: 25 commits 2026-04: 32 commits 2026-05: 17 commits 2026-06: 20 commits 2026-07: 20 commits 2026-08: 13 commits 189 C, Docker —
9 3CX
Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one
Unrated 2025-10: 0 commits 2025-11: 0 commits 2025-12: 0 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 0 commits 2026-06: 0 commits 2026-07: 0 commits 2026-08: 0 commits — Unknown —
10 Freepbx
Web-based open source GUI that controls and manages Asterisk.
Unrated 2025-10: 0 commits 2025-11: 0 commits 2025-12: 0 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 0 commits 2026-06: 0 commits 2026-07: 0 commits 2026-08: 0 commits — PHP —
11 SIP3
VoIP troubleshooting and monitoring platform.
Unrated 2025-10: 0 commits 2025-11: 0 commits 2025-12: 0 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 0 commits 2026-06: 0 commits 2026-07: 0 commits 2026-08: 0 commits — Java —
12 Wazo
Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.
Unrated 2025-10: 0 commits 2025-11: 0 commits 2025-12: 0 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 0 commits 2026-06: 0 commits 2026-07: 0 commits 2026-08: 0 commits — Python —
13 Yeti-Switch
Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API.
Unrated 2025-10: 0 commits 2025-11: 0 commits 2025-12: 0 commits 2026-01: 0 commits 2026-02: 0 commits 2026-03: 0 commits 2026-04: 0 commits 2026-05: 0 commits 2026-06: 0 commits 2026-07: 0 commits 2026-08: 0 commits — C++, Ruby —

Which one should you run?

If you want the safest bet on longevity, SIPCAPTURE Homer is the best-maintained project in this category right now at 77/100. Kamailio is the closest runner-up (75/100) — see the side-by-side comparison.

A health score measures whether a project is alive and shipping. It does not measure whether it has the feature you need. Use it to rule options out, then compare on features.