Linphone

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Linphone
Original author(s)Belledonne Communications
Developer(s)Linphone
Stable release
Windows, macOS and Linux

4.1.1 (March 3, 2019; 8 months ago (2019-03-03)[1])

iOS

4.1 (March 3, 2019; 8 months ago (2019-03-03)[2])

Android

4.1 (March 3, 2019; 8 months ago (2019-03-03)[3])

Windows Phone

1.0.2 (December 1, 2017; 23 months ago (2017-12-01)[4]) [±]

Written inC, Java, C#, Python[5]
Operating systemLinux, FreeBSD,[6] Windows, Mac OS, iPhone, Android, Windows Phone
Size8–17 MB
Available inMultilingual, including English, Arabic, Dutch, French, German, Japanese, Russian and Traditional Chinese
TypeVoice over IP, instant messaging, videoconferencing
LicenseGNU GPL version 2[7] or proprietary[8]
Websitewww.linphone.org

Linphone (contraction of Linux phone) is a free voice over IP softphone, SIP client and service. It may be used for audio and video direct calls and calls through any VoIP softswitch or IP-PBX. Also Linphone provides the possibility to exchange instant messages. It has a simple multilanguage interface based on GTK+ for GUI and can also be run as a console-mode application on Linux.

The softphone is currently developed by Belledonne Communications in France. Linphone was initially developed for Linux[9][10] but now supports many additional platforms including Microsoft Windows, Mac OS X, and mobile phones running Windows Phone,[11] iOS[12] or Android.[13] It supports ZRTP for end-to-end encrypted voice and video communication.

Linphone is licensed under the GNU General Public License (GPL) and supports IPv6. Linphone can also be used behind network address translator (NAT), meaning it can run behind home routers. It is compatible with telephony by using an Internet telephony service provider (ITSP).

Features[edit]

Linphone hosts a free SIP service on its website.[14]

Linphone client provide access to following functionalities:[15]

  • Multi-account work
  • Registration on any SIP-service and line status management
  • Contact list with status of other users
  • Conference call initiation
  • Combination of message history and call details
  • DTMF signals sending (SIP INFO / RFC 2833)
  • File sharing
  • Additional plugins

Open standards support[edit]

Protocols[edit]

Audio codecs[edit]

Audio codec support: Speex (narrow band and wideband), G.711 (μ-law, A-law), GSM, Opus, and iLBC (through an optional plugin)

Video codecs[edit]

Video codec support: MPEG-4, Theora, VP8 and H.264 (with a plugin based on x264), with resolutions from QCIF (176×144) to SVGA (800×600) provided that network bandwidth and CPU power are sufficient.[16]

Gallery[edit]

See also[edit]

References[edit]

  1. ^ "Windows Desktop". web site. Retrieved 2019-03-03.
  2. ^ "Apple on the App Store". iTunes Store. Retrieved 2019-03-03.
  3. ^ "Linphone". Google Play Store. Retrieved 2019-03-03.
  4. ^ "Linphone". microsoft store. Retrieved 2017-12-01.
  5. ^ "Linphone". Archived from the original on 2016-01-13.
  6. ^ FreeBSD port of Linphone
  7. ^ Linphone.org » Linphone » Licensing Archived 2013-08-15 at the Wayback Machine
  8. ^ [1]
  9. ^ "LINPHONE, SIP video phone client". Retrieved 1 September 2014.
  10. ^ AndroidTapp.com: Linphone Video, Make Phone Calls over Phone’s Internet without using Minutes
  11. ^ Linphone
  12. ^ Ostatic.com: Blog: Bye Bye Skype, Top 3 Free Replacements Archived 2011-11-27 at the Wayback Machine
  13. ^ Linphone in the Google Play Store
  14. ^ "Free Sip service". Retrieved 20 March 2019.
  15. ^ "Features". Linphone. Retrieved 2019-02-03.
  16. ^ Linphone.org » Features Archived 2010-07-23 at the Wayback Machine

External links[edit]