VoIP/SIP SoftPhone (formerly known as jphonelite)
The point is an convenience
Unified Communications Server
test file
Java VoIP Softphone (SIP) (replaced by jfPhone)
Low-latency, high quality voice chat for gamers
Online Internet Phone Call Center Software For Telesales Team
H.323 Gatekeeper for VoIP and videconferencing
Chat with your friends everywhere, whether you are in space or on eart
Cyber-wrt pbx is embedded system in DD-Wrt router
OpenSource Call Center and Dialer System