Unified Communications System - PBX System
High performance, production quality STUN server and client library
Enterprise telephony recording and retrieval system
H.323 Gatekeeper for VoIP and videconferencing
IPTV Set-Top box in a small, low power, form factor.
Respins of various open source PBX projects
Linux appliance for SMS services implementation
C++ SIP stack based on Chrome source code