VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
H.323 Gatekeeper for VoIP and videconferencing
SIP Video Multiconference Media Server with WebRTC support.
Fast CGI-based AsteriskPBX cluster administration tool.
C++ SIP stack based on Chrome source code