Java wrapper for the popular chat & VOIP service
PHP version of Google's phone number handling library
5G/4G Cellular Security Live Linux OS for SDR, Baseband Auditing & Tel
Browse on Tor / i2p - Anon p2p Chat / FileTx, Conf / Video VoIP
Desktop communication tool: chat, telephony, multimedia
Customer Relation Management Software with CTI integration support
Software per Call Center
The most affordable CRM system according to Capterra
Unified Communications Server
Unified Communications System - PBX System
Guest WIFI and SMS Marketing Kiosk System
Java VoIP Softphone (SIP) (replaced by jfPhone)
A Better PBX For Your Business
Accent interfaces and controls systems through goals and policies
Enterprise telephony recording and retrieval system
H.323 Gatekeeper for VoIP and videconferencing
SIP Video Multiconference Media Server with WebRTC support.
Cress is a comprehensive toolset for graphical service/workflow design
Java VoIP/SIP PBX system (replaced by jfPBX)