Browse free open source C SIP Servers and projects below. Use the toggles on the left to filter open source C SIP Servers by OS, license, language, programming language, and project status.

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  • 1
    OpenSIPS/OpenSER-a versatile SIP Server
    OpenSIPS (former OpenSER) is an GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms. IMPORTANT: this is no longer the main hosting for the project. This was moved on GITHUB - https://github.com/OpenSIPS/opensips
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    KAMAILIO (OpenSER) - robust, secure and scalable Open Source (GPL) SIP (RFC3261) server implementation with large features set (over 90 extension modules). As of May 2009, source code is hosted by GIT repository at http://sip-router.org
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3
    sipsak is a command line tool which can send simple requests to a SIP server. It can run additional tests on a SIP server which are usefull for admins and developers of SIP enviroments. Note: the project is maintained on GitHub https://github.com/nils-ohlmeier/sipsak
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    Very fast and very flexible SIP server
    Downloads: 0 This Week
    Last Update:
    See Project
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