Matrix reference homeserver
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
VICIdial call center optimization tools, monitoring utilities, and per
Open source Fax server software for inbound / outbound internet Faxing
Unified Communications Server
Java VoIP Softphone (SIP) (replaced by jfPhone)
High performance, production quality STUN server and client library
Accent interfaces and controls systems through goals and policies
H.323 Gatekeeper for VoIP and videconferencing
Simple and efficient tool for SIP trace filtering
Framework implementing SS7 over IP & SIGTRAN interworking and trunking
VozBox. Asterisk VoIP PBX.
Cyber-wrt pbx is embedded system in DD-Wrt router
OpenSource Call Center and Dialer System
A Murmur-Server Webinterface written in PHP for Mumble
Small and effective program for SIP traces anonymization
Padrão de comunicação VOIP.