openSIPS
SIP proxy/server for voice, video, IM, presence and any other SIP extensions.
Maintained, but at a slower pace than the leaders in its category.
Commit activity more than 81% of tracked projects; popularity more than 43%. How this is calculated.
Commits, last 11 months
| Stars | 1.5k |
|---|---|
| Latest release | — |
| Repo updated | 25 Sept 2026 |
| Licence | GPL-2.0 |
| Built with | C |
Is openSIPS actively maintained?
Development is ongoing. The repository recorded 1105 commits over the same window, and the last three months alone account for 388 of them.
No tagged releases are published, so there is no stable version to pin to — you would deploy from the default branch or a container image built from it.
openSIPS ranks #6 of 13 in Communication - SIP, placing it mid-table for maintenance activity.
What openSIPS actually does
openSIPS is a server application that handles Session Initiation Protocol traffic for routing voice, video, instant messaging, and presence data. It acts as a core networking component for managing real-time communication sessions across various SIP extensions.
Best fit: It is well-suited for systems administrators and telecommunications engineers building custom VoIP infrastructures or large-scale communication platforms.
Worth knowing: Configuring a SIP proxy requires deep domain knowledge of networking protocols, and improper setup can lead to security vulnerabilities or routing failures.
Deployment notes
As a compiled C application, it typically requires careful dependency management on your host system and will usually need a backing database for persistent subscriber data or routing tables.
Links
openSIPS as a replacement for
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