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Linphone

Linphone

Linphone is a web phone: it lets you phone to your friends anywhere in the whole world, freely, simply by using the internet, with voice, video, and text instant messaing. The software is compatible with the well known Session Initiation Protocol (SIP).

Linphone uses GTK+ for GUI and can be also run as a console-mode application (linphonec).

 Linphone 3.7.0

Price
Free to download

Size
11.5MB
License

GNU GPL v2

Developer
Simon Morlat, Aymeric Moizard, Sharath Udupa, Sandro Santilli and contributors

Website
www.linphone.org

System Requirements
GTK+

Support Sites:
FAQ

Selected Reviews:
Softpedia

Features include:

  • Attractive graphical interface
  • Uses the well known and standardised SIP protocol
  • Large variety of codecs with different quality / bandwidths
    • Audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw), GSM, and iLBC (through an optional plugin)
    • Video with codecs: snow, H263-1998, MPEG4, theora and H264 with resolutions from QCIF(176x144) to SVGA(800x600) provided that network bandwidth and cpu power are sufficient
  • Supports any webcam with V4L or V4L2 driver
  • Send large video pictures up to SVGA
  • Text instant messaging and presence
  • Addressbook
  • DTMF (telephone tones) support using SIP INFO or RFC2833
  • Understands SIP ENUMS (sip phone numbers using the naptr DNS service, without proxy)
  • Echo cancellation using the speex echo canceler
  • SIP proxy support: registrar, proxies, with digest authentication
  • STUN support for traversal of UDP NATs (=firewall)
  • Sound backend using either ALSA (the most efficient), OSS, or arts (kde sound daemon)
  • Supports IPv6
  • Bandwidth limitations are signaled using SDP (b=AS...), resulting in audio and video session established with bitrates that fits the user's network capabilities.
  • Use plugins: to add new codecs, or new core functionality, such as remote directory search of sip addresses

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Last Updated Saturday, April 19 2014 @ 04:36 PM EDT


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