Flexisip
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive….
- Video Conferencing & VoIP
- C++
- AGPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 189
- Forks
- 83
- Open issues
- 27
- Commits, last 12 months
- 243
- Last commit
- Oct 5, 2026
- Latest release
- No releases
- Created
- May 25, 2015
Data from the GitHub API, refreshed daily.
About Flexisip
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive…. Flexisip is open source under the AGPL-3.0 license and written mainly in C++, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 189 stars and 83 forks on GitHub, with 243 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- linphone
- sip
- voip
- server
- flexisip
- proxy
- sip-proxy
- sip-trunking
- sip-bridge
Repository preview
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What is Flexisip?
Flexisip is a free, open-source app you can host on your own server, listed in our Video Conferencing & VoIP category. Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive…. The source code lives at github.com/BelledonneCommunications/flexisip, where it has 189 stars.
Is Flexisip free and open source?
Yes. Flexisip is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Flexisip with Docker?
Yes. Flexisip provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Flexisip?
Popular open-source alternatives to Flexisip include Jitsi Meet, BigBlueButton and Janus.
Is Flexisip actively maintained?
The most recent commit to Flexisip was on Oct 5, 2026 with 243 commits in the past twelve months. Check the open issues on GitHub to gauge how quickly maintainers respond.