Open source Fax server software for inbound / outbound internet Faxing
High performance, production quality STUN server and client library
H.323 Gatekeeper for VoIP and videconferencing
Java VoIP/SIP PBX system (replaced by jfPBX)
A complete invoice managment solution for Elastix PBX
1 on 1 Webcam Videochat Script with P2P Support
Baresip is a modular SIP User-Agent with audio and video support
Web interface for OpenSIPS
C++ SIP stack based on Chrome source code