The most affordable CRM system according to Capterra
Open source CSTA library
Unified Communications System - PBX System
This is a PBX dashboard showing the peer,queue,agent at real time
Asterisk based VoIP pbx appliance
Enterprise telephony recording and retrieval system
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Infinity is a panel for Windows that monitors asterisk PBX
Implement Screen Pop for Avaya PBX
vTiger Freeswitch PBX Integration
This Webmin module aids in configuring the Dahdi interface to Asterisk