VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Unified Communications Server
Accent interfaces and controls systems through goals and policies
H.323 Gatekeeper for VoIP and videconferencing
Webface witch extract CDR (Call Detail Records) from MySQL base.
Cyber-wrt pbx is embedded system in DD-Wrt router
perl based SMDR/CDR capture & display on Web based PHP with mysql DB
OpenSource Call Center and Dialer System
Graph active VoIP calls on Google Maps.
GSM L1-L3 stack with SIP network interfaces
Asterisk module to route traffic (very obsolete)
Web interface for OpenSIPS