VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
High performance, production quality STUN server and client library
Free software and hardware for telephony
Accent interfaces and controls systems through goals and policies
Asterisk and kannel integration
SIP softphone
H.323 Gatekeeper for VoIP and videconferencing
SIP Video Multiconference Media Server with WebRTC support.
Connverts RADIUS acccounting messages to ETSI OSP CDRs
A command line utility for remote controlling Polycom VVX IP phones
Simple and efficient tool for SIP trace filtering
Framework implementing SS7 over IP & SIGTRAN interworking and trunking