A domain based multi-tenant PBX & voice switch for FreeSWITCH
VICIdial Contact Center Suite
Issabel PBX - Unified Communications
The most affordable CRM system according to Capterra
Unified Communications Server
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.
Asterisk and kannel integration
Java VoIP/SIP PBX system (replaced by jfPBX)
VozBox. Asterisk VoIP PBX.
Cyber-wrt pbx is embedded system in DD-Wrt router
Respins of various open source PBX projects
This Webmin module aids in configuring the Dahdi interface to Asterisk