Downloads for Desktop


Linphone is an internet phone or Voice Over IP phone (VoIP).

With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone makes use of the SIP protocol , an open standard for internet telephony. You can use Linphone with any SIP VoIP operator, including the free SIP audio/video service.

Main Features :

  • SIP user agent compliant with RFC3261 
  • Supports multiple calls simultaneously with call management features: hold on with music, resume, transfer... 
  • Audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw), GSM. Through additionals plugins, it also supports AMR and iLBC. 
  • Video with codecs: H263, H263-1998, MPEG4, theora and H264 (thanks to a plugin based on x264), with resolutions from QCIF(176x144) to SVGA(800x600) provided that network bandwidth and cpu power are sufficient. 
  • Supports IPv6 
  • Supports any webcam with a V4L or V4L2 driver under linux and Directshow driver on windows 
  • Text instant messaging and presence (using the SIMPLE standard) 
  • Addressbook 
  • DTMF (telephone tones) support using SIP INFO or RFC2833 
  • Understands SIP ENUMS (sip phone numbers using the naptr DNS service, without proxy) 
  • Acoustic echo cancellation using the great echo canceller available in libspeexdsp (works not only with speex codec of course) 
  • Multiple SIP proxy support: registrar, proxies, outbound proxies 
  • Digest authentication 
  • Nat friendly: guesses NAT address for SIP messages, uses STUN for RTP streams


Download Linphone sources

Downloads Linphone Windows

Download Linphone Mac OS

Distros packages for Debian & Ubuntu

Linphone is included in Debian and Ubuntu linux distributions: you can then install it in a few seconds using your favourite package manager or in a console using

sudo apt-get install linphone

See linphone page on debian and ubuntu websites:



What’s New

The last version 3.7, launched on February 2014, includes significant improvements.

Here is an overview of the changes:

  • It is now possible to configure multiple proxy accounts with different transports (UDP, TCP, TLS)
  • Video HD formats support added, leveraging on multiple cores for encoding if available
  • Faster and highly responsive UI thanks to fully asynchronous operation of the liblinphone.
  • Add On of opus codec
  • Possibility to specify a remote provisioning http URI for configuration
  • LDAP search integration for Linux and MacOSX
  • is-composing notification in chat area
  • User can choose video rendering method on Linux (OpenGL or Xv)
  • Keyboard can be used for DTMF input