Projects / GNU SIP Witch

GNU SIP Witch

GNU SIP Witch is a secure peer-to-peer VoIP server. Calls can be made even behind NAT firewalls, and without requiring service providers. SIP Witch can be used on the desktop to create bottom-up secure calling networks and as a free software alternative to Skype. It can also be used as a stand-alone SIP-based office telephone server, or to create secure VoIP networks for an existing IP-PBX such as Asterisk, FreeSWITCH, or Yate.

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Recent releases

  •  08 Sep 2013 16:52

    Release Notes: Support for systemd init. Multi-protocol context aware when built with exosip2 4.x for concurrent TCP/UDP/TLS sip sessions in a single server instance. An SRV plugin to better support automatic resolution of remote users through DNS (requires libruli to use). Improved mingw build support.

    •  21 Nov 2012 02:47

      Release Notes: Updated for the new ucommon 6 API. Support for VoIP hotspot mode. Initial support for the exosip 4.0 API. Better mingw build support. Better debuging tools. A switchview GUI.

      •  14 May 2011 14:09

        Release Notes: This release is intended to provide a stable release family to power existing secure calling services for public and private use while GNU Free Call services are developed for sipwitch 2.0.

        •  17 Mar 2011 08:55

          Release Notes: cmake build was introduced. A new desktop permissions mode was added for integration between sipwitch service running as a privileged daemon and the user desktop. The utilities were reorganized and simplified.

          •  25 Feb 2011 11:46

            Release Notes: This release consolidates the use of usecure for computing digests to simplify the configure script and to introduce a cmake build script. This will make it easy to build and debug with IDEs like kdevelop and codeblocks on GNU/Linux, as well as IDEs on other platforms such as xcode, Visual Studio (yes, sipwitch is cross-platform), etc.

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