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, G722, ilbc, amr, Theora, H263-1998, MPEG4, H264, VP8, and snow.
|Tags||Communications Internet Phone Telephony multimedia Sound/Audio Speech Video|
|Operating Systems||POSIX Linux BSD FreeBSD Windows Mac OS X iPhoneOS Android|
Release Notes: This version brings SIP/TCP and SIP/TLS as network protocols. It adds the G722 audio codec and the VP8 video codec. Users can also create audio conferences and choose SRTP as the media encryption method.
Release Notes: This version improves Mac OS X integration with desktop menus, better sound system handling, and binary bundle generation for ease of installation. It also improves memory usage and fixes a few SIP bugs.
Release Notes: The most visible improvement in this version is support for multiple simultaneous calls, with ability to pause, resume, and transfer them. Echo cancellation has been improved.
Release Notes: This release fixes a few important bugs: unterminated calls in some rare cases and a crash when closing the video view under Windows.
Release Notes: This releases fixes some bugs that were produced in the following conditions: incoming re-INVITES, incompatible codecs, and non-ASCII characters in display names.