The most affordable CRM system according to Capterra
Unified Communications System - PBX System
High performance, production quality STUN server and client library
Linux operating system source distributions for the CAS product suite.
Enterprise telephony recording and retrieval system
H.323 Gatekeeper for VoIP and videconferencing
IPTV Set-Top box in a small, low power, form factor.
Microscopic AGI framework.
Webface witch extract CDR (Call Detail Records) from MySQL base.
VozBox. Asterisk VoIP PBX.
Respins of various open source PBX projects
Linux appliance for SMS services implementation