Projects / SFLphone


SFLphone is an SIP/IAX2 compatible softphone. The goal is to create a robust enterprise-class desktop phone. While it can serve home users very well, it is designed for intensive corporate use.

Operating Systems

Last announcement

Muting music player on receiving a call 08 Apr 2011 16:17

You are listening to music, and you receive a call. You want your music player to be muted so that you could pick up the call without having to pause the music player. SFLphone and Pulseaudio can do that! Read more here:

Recent releases

  •  14 Jan 2014 22:05

    Release Notes: This major milestone provides many bugfixes, new features, and enhancements, including presence subscription, improved NAT support, improved audio quality, and ringtone support.

    •  19 Jun 2013 15:42

      Release Notes: This is primarily a bugfix release. Some highlights include improvements to the Evolution address book plugin, a major rewrite of the GNOME client, and improved STUN support. In video: Symmetric RTP/RTCP (RFC 4961) was implemented.

      •  11 Jan 2013 15:49

        Release Notes: This release supports the Opus, iLBC, and g.729 audio codecs. SFLphone accounts now have an "Auto-answer" mode. Along with a number of bugfixes, SFLphone's backend has been migrated from PJSIP 1.14.2 to 2.0.1. Support has been added for multi-codec calls (e.g., PCMA outgoing, PCMU incoming). The backend has also migrated threading libraries from Common C++ to pthread.

        •  10 Aug 2012 17:28

          Release Notes: This release is the first to have been ported to ARM. As a result of this effort, users can now choose to disable many features/dependencies. In addition, video support has been greatly improved, with features such as call transfer, hold, and H.264 profile and level negotiation implemented for video calls. In the Gnome client, instant messaging was reimplemented and as a result, it no longer depends on Webkit. PJSIP has been updated to 1.14.2.

          •  18 May 2012 20:33

            Release Notes: This release adds support for CCRTP 2.0.2. In addition the Gnome client now builds with either GTK+2.0 or GTK+3.0. Compatibility with several SIP providers has been fixed, such as and Efforts have been made to improve test coverage and quality assurance, striving to ensure that regressions are caught early. The KDE client is now fully up-to-date with the latest version of the sflphone daemon.

            Recent comments

            08 Oct 2006 10:36 DrSmall

            Re: no windows version

            > Despite claims, there is stil no windows

            > version to download...

            If that wasn't a waste of my time....

            01 Jul 2006 08:44 vovkavwin

            no windows version
            Despite claims, there is stil no windows version to download...


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