VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Browse on Tor / i2p - Anon p2p Chat / FileTx, Conf / Video VoIP
SIP softphone
SIP Video Multiconference Media Server with WebRTC support.
Simple and efficient tool for SIP trace filtering
Small and effective program for SIP traces anonymization
GSM L1-L3 stack with SIP network interfaces
C++ SIP stack based on Chrome source code