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
- ^ "Update license in file headers". GitHub. 2016-01-20.
- ^ "Added license text in every source file. Added COPYRIGHT file with the license text". GitHub. 2008-11-05.
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