Issabel PBX - Unified Communications
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The best open source call recorder for Android 11+
Unified Communications System - PBX System
Java VoIP Softphone (SIP) (replaced by jfPhone)
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Accent interfaces and controls systems through goals and policies
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Connverts RADIUS acccounting messages to ETSI OSP CDRs
A simple noise gate app intended for use with VOIPs like Skype.
VozBox. Asterisk VoIP PBX.
Cyber-wrt pbx is embedded system in DD-Wrt router
OpenSource Call Center and Dialer System
This project has been relocated to http://github.com/sippy/rtpproxy h