Flexisip
★ 189A self-hosted alternative to Twilio
GNU Affero General Public License v3.0Open Core — Some Features PaidDocker · Source6 active committers (12mo)
About
Flexisip is a C++17 SIP server suite designed to provide the backend for VoIP and messaging services. It combines several server roles in one modular system, including SIP proxying, presence,...
Community Ratings
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Read recap →Weekly Recap — Oct 2, 2026 – Oct 9, 2026Oct 9, 2026
Features
- SIP proxy server
- push notification service
- presence server
- conference server
- back-to-back user agent (B2BUA)
- caller identity translation
- media-level transcoding
- SIP trunking
- registration event server
- embedded deployment
Details
- Last Updated
- Oct 9, 2026
- Created
- May 25, 2015
- Install Methods
- dockersource
- Requirements
- OpenSSLLibNgHttp2libsrtp2SQLite3libmysql-clientHiredisNetSNMPXercesCjsoncppcpp-jwtlibsystemdC and C++ compilermake or NinjaPython >= 3DoxygenGit
- Authentication
- oidc-sso
- Runtime / Stack
- CDocker
- Privacy & Independence
- No Cloud RequiredOffline Capable
- User Model
- Multi-User
- Deployment
Deployment: no container deployment found
Tags
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Metadata extracted from README on Mar 25, 2026
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