The most affordable CRM system according to Capterra
Enterprise telephony recording and retrieval system
An administration web interface for Mumble VoIP servers in PHP
Simple web interface for mapping CDR from VoIP provider to Asterisk
Linux GUI USSD Sender
Microscopic AGI framework.
Go to github.com/vlm/asn1c for the latest version.
GSM L1-L3 stack with SIP network interfaces
Web interface for OpenSIPS