[待更新] Professionally supported open source, portable, small footprint multimedia communication libraries written in C language for building portable VoIP applications. Includes implementation of SIP, RTP, STUN, TURN, and ICE. Available for Windows, Mac OS X, and many other systems.a Stack for Windows and Mac OS X from PJSIP.ORGpjsip.org Open source SIP stack and media stack for...