Telephone (application)

Updated on Dec 30, 2024

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Developer(s) 64 Characters Operating system macOS		Written in Objective-C, Swift License GPL

Stable release 1.2.6 / December 19, 2016; 3 months ago (2016-12-19) Available in English, German, Russian

Telephone is a softphone for macOS developed by 64 Characters. It uses Session Initiation Protocol for communication. Telephone is distributed as free software under GPL.

Audio codecs

G.711 family codec (PCMA, PCMU)

Speex/8000 (narrowband), Speex/16000 (wideband), and Speex/32000 (ultra-wideband)

iLBC

GSM

L16 family of codecs

(Text) CC BY-SA