Cellular manager for mobile phones/modems
The most affordable CRM system according to Capterra
Enterprise telephony recording and retrieval system
H.323 Gatekeeper for VoIP and videconferencing
Cress is a comprehensive toolset for graphical service/workflow design
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.
JAvascript Voicexml InterpretER
A simple noise gate app intended for use with VOIPs like Skype.
Universal Framework to audit Voip protocols's security
survey research software integrate for CATI/ CAWI/ CAMI survey
Go to github.com/vlm/asn1c for the latest version.
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end