H.323 Gatekeeper for VoIP and videconferencing
Java VoIP/SIP PBX system (replaced by jfPBX)
A simple noise gate app intended for use with VOIPs like Skype.
Universal Framework to audit Voip protocols's security
Optimized and cross platform SMPTE 2022 FEC library in C, Python, Java
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end
Web interface for OpenSIPS