Linphone is an audio and video Internet phone with GTK+ and console interfaces. It uses the SIP protocol, and is compatible with most SIP clients and gateways. It can use various audio and video codecs such as Speex, GSM, G711, ilbc, amr, Theora, H263-1998, MPEG4, H264, and snow.
- Licenses : GPL
- Operating Systems : POSIX, Linux, BSD, FreeBSD, Windows, Mac OS X, iPhoneOS, Android
- Implementation : C
