Kamailio is a GPL licensed SIP server implementation. It started in 2005 as a fork of Fokus Fraunhofer SIP Express Router (SER) project. Kamailio wants to be a more open project, not only from license point of view, but more open as project managemen

Kissd is a daemon designed to share media files to all Ethernet enabled PC-Link KiSS DVD players from a GNU/Linux based server. It comes with kiss players protocol documentation. It will fork for each new connection to serve several clients at the sa

opensips是一个成熟的开源SIP服务器，除了基本的SIP代理和SIP路由外，还能实验一些功能级的应用-OpenSIPS is a GPL licensed SIP server implementation. It started as a fork of Fokus Fraunhofer SIP Express Router (SER) project. OpenSIPS wants to be a more open project, not only from license

OpenMCU-ru is an open-source Mutli Conference Unit using the H.323, SIP and RTSP protocols (software MCU). It is fork of the original OpenMCU with many new features. Server runs on Linux, Windows and FreeBSD.