A cross-platform multimedia library aimed at supporting a wide range of programming languages. It exposes a set of C APIs used to generate high-level object-oriented bindings for supported languages at compile-time.
A command line SIP/H323 softphone capable of sending and receiving audio files as well as sending out of band DTMF digits. Supports a BNF format configuration language for scripting call scenarios. Useful for example system testing.
Open Source IM and voice client using Jabber and SIP protocols, with great audio quality thanks to speex and a nice and clean interface. Programmed in Java and C++. It supports chat, voice and file transfers.