Browse free open source Telephony software and projects below. Use the toggles on the left to filter open source Telephony software by OS, license, language, programming language, and project status.
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
Plugin for entering and validating international telephone numbers
JAvascript Voicexml InterpretER
A Murmur-Server Webinterface written in PHP for Mumble
C++ SIP stack based on Chrome source code