Library for parsing and validating international phone numbers
VoIP/SIP SoftPhone (formerly known as jphonelite)
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
Cyber-wrt pbx is embedded system in DD-Wrt router