Software:Linphone

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Short description: Voice over IP software
Linphone
Linphone-4.1.1-screenshot.png
Linphone running on Windows
Original author(s)Belledonne Communications
Developer(s)Linphone
Stable release(s) [±]
Microsoft Windows, macOS and Linux

4.2.5 (June 25, 2020; 3 years ago (2020-06-25)[1])

iOS

4.4.2 (May 19, 2021; 2 years ago (2021-05-19)[2])

Android

4.4.3 (April 21, 2021; 3 years ago (2021-04-21)[3])

Windows Phone

1.0.2 (December 1, 2017; 6 years 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
LicenseGPL-3.0-or-later[7] or proprietary[8]
Websitelinphone.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. Linphone also provides the possibility to exchange instant messages. It has a simple multilanguage interface based on Qt 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, macOS, 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 GPL-3.0-or-later 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

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

The Linphone client provides 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

Protocols

Audio codecs

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

Video codecs

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

See also

References

  1. ↑ "Windows Desktop". https://www.linphone.org/technical-corner/linphone?qt-technical_corner=2#qt-technical_corner. 
  2. ↑ "Apple on the App Store". https://itunes.apple.com/us/app/linphone/id360065638?mt=8. 
  3. ↑ "Linphone". https://play.google.com/store/apps/details?id=org.linphone. 
  4. ↑ "Linphone". https://www.microsoft.com/fr-fr/p/linphone/9wzdncrdj0bq?rtc=1&activetab=pivot%3Aoverviewtab. 
  5. ↑ "Linphone". https://www.linphone.org/technical-corner/linphone/overview. 
  6. ↑ FreeBSD port of Linphone
  7. ↑ Linphone.org » Linphone » Licensing
  8. ↑ "Linphone: VOIP softphone - open source video sip phone, voip software". https://www.linphone.org/technical-corner/linphone. 
  9. ↑ "LINPHONE, SIP video phone client". http://linphone.org/. 
  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
  13. ↑ Linphone in the Google Play Store
  14. ↑ "Free Sip service". https://www.linphone.org/freesip/home. 
  15. ↑ "Features". Linphone. http://www.linphone.org/technical-corner/linphone/features. 
  16. ↑ Linphone.org » Features

External links



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