Open-source event-driven AI powered Softphone
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VoIP/SIP SoftPhone (formerly known as jphonelite)
Issabel PBX - Unified Communications
ICTCore: Unified Communications Framework for web developers
SMS, Fax, Voice Broadcasting and auto dialer Software
Unified Communications Server
Unified Communications System - PBX System
Java VoIP Softphone (SIP) (replaced by jfPhone)
VoIP/SIP Autodialer
A Better PBX For Your Business
Accent interfaces and controls systems through goals and policies
Enterprise telephony recording and retrieval system
SIP softphone
SIP Video Multiconference Media Server with WebRTC support.
Callflow Sequence Diagram Generator
Java VoIP/SIP PBX system (replaced by jfPBX)
Simple and efficient tool for SIP trace filtering