Matrix reference homeserver
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
VICIdial call center optimization tools, monitoring utilities, and per
A WebRTC-Enabled Chrome Extension for Seamless Call Center
ICTCore: Unified Communications Framework for web developers
Unified Communications Server
Ein Mumble-Server-Webinterface, das in PHP geschrieben wurd
Accent interfaces and controls systems through goals and policies
SIP Video Multiconference Media Server with WebRTC support.
CMS API Server with web site
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
A Murmur-Server Webinterface written in PHP for Mumble
A suite of open-source tools and frameworks for creating SIP apps