GNU ccRTP is an implementation of RTP, the real-time transport protocol from the IETF (see RFC 3550, RFC 3551 and RFC 3555). ccRTP is a C++ library based on GNU Common C++ which provides a high performance, flexible and extensible standards-compliant RTP...

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GNU SIP Witch is an open source, free, cross-platform and secure SIP (Session Initiation Protocol) based office telephone call server that supports Linux, BSD, Solaris, Microsoft Windows and Mac OS X operating systems. It is part of the GNU Telephony...