Telephone
Developer(s)64 Characters
Stable release
1.5.2[1] Edit this on Wikidata / 2 November 2020
Written inObjective-C, Swift
Operating systemmacOS
Available inEnglish, German, Russian
License2016: GPL-3.0-or-later[2]
2008: BSD-3-Clause[3]
Websitewww.64characters.com/telephone

Telephone is a softphone for macOS developed by 64 Characters. It uses Session Initiation Protocol for communication. Telephone is distributed as free software under the GPL-3.0-or-later license.

Audio codecs

  • Speex/8000 (narrowband), Speex/16000 (wideband), and Speex/32000 (ultra-wideband)
  • Opus
  • G.711 family codec (PCMA, PCMU)
  • G.722
  • iLBC
  • GSM

References

  1. ↑ Error: Unable to display the reference properly. See the documentation for details.
  2. ↑ "Update license in file headers". GitHub. 2016-01-20.
  3. ↑ "Added license text in every source file. Added COPYRIGHT file with the license text". GitHub. 2008-11-05.
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