VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
Unified Communications Server
High performance, production quality STUN server and client library
H.323 Gatekeeper for VoIP and videconferencing
Callflow Sequence Diagram Generator
A command line utility for remote controlling Polycom VVX IP phones
Java VoIP/SIP PBX system (replaced by jfPBX)
Microscopic AGI framework.
Fast CGI-based AsteriskPBX cluster administration tool.
A simple noise gate app intended for use with VOIPs like Skype.
A complete invoice managment solution for Elastix PBX
Webface witch extract CDR (Call Detail Records) from MySQL base.
Cyber-wrt pbx is embedded system in DD-Wrt router