Core features Signaling •SIP user agent compliant with RFC3261 •SIP/UDP, SIP/TCP, SIP/TLS •Supports IPv6 •Digest authentication •Supports multiple calls simultaneously with call management features: hold on with music, resume, transfer... •Multiple
libzrtp, 最新版本的ZRTP源码,比SRTP更安全,用于Voip媒体加密。The libzrtp library is a cross-platform implementation of ZRTP, a VoIP encryption protocol developed by Phil Zimmermann. libzrtp is suitable for inclusion in software VoIP clients, firmware for hardware VoIP