Browse free open source Telephony software and projects for Linux below. Use the toggles on the left to filter open source Telephony software by OS, license, language, programming language, and project status.
VICIdial Contact Center Suite
The most affordable CRM system according to Capterra
Enterprise telephony recording and retrieval system
Simple web interface for mapping CDR from VoIP provider to Asterisk
Software per Call Center
Cress is a comprehensive toolset for graphical service/workflow design
Application for Alcatel 50x and 70x phones
CRM system based on vtiger, adapted to Polish companies.