A domain based multi-tenant PBX & voice switch for FreeSWITCH
Open source multi-tenant PBX built on ICTCore and FreeSWITCH
H.323 Gatekeeper for VoIP and videconferencing
VozBox. Asterisk VoIP PBX.
Asterisk module to route traffic (very obsolete)
C++ SIP stack based on Chrome source code