Browse free open source VoIP software and projects below. Use the toggles on the left to filter open source VoIP software by OS, license, language, programming language, and project status.
Issabel PBX - Unified Communications
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Unified Communications Server
A simple noise gate app intended for use with VOIPs like Skype.
Java wrapper for the popular chat & VOIP service
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
OpenSource Call Center and Dialer System
http://www.vaakpbx.com
Java VoIP Softphone (SIP) (replaced by jfPhone)
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Matrix reference homeserver
H.323 Gatekeeper for VoIP and videconferencing
Cisco IP Phone Inventory - Serial Number, MAC, Model, and more...
High performance, production quality STUN server and client library
This is a PBX dashboard showing the peer,queue,agent at real time