VoIP/SIP SoftPhone (formerly known as jphonelite)
Unified Communications Server
test file
Java VoIP Softphone (SIP) (replaced by jfPhone)
Online Internet Phone Call Center Software For Telesales Team
H.323 Gatekeeper for VoIP and videconferencing
Cyber-wrt pbx is embedded system in DD-Wrt router
OpenSource Call Center and Dialer System
TEKSTER is a Computer Application To Send FREE SMS Around the World!