Java wrapper for the popular chat & VOIP service
Java VoIP Softphone (SIP) (replaced by jfPhone)
Accent interfaces and controls systems through goals and policies
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.
Positional Audio Communication for Minecraft with Mumble
Universal Framework to audit Voip protocols's security
Send Asterisk CDR to serial device
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