Browse free open source VoIP software and projects for BSD below. Use the toggles on the left to filter open source VoIP software by OS, license, language, programming language, and project status.
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
A simple noise gate app intended for use with VOIPs like Skype.
Unified Communications Server
Java VoIP/SIP PBX system (replaced by jfPBX)
High performance, production quality STUN server and client library
A suite of open-source tools and frameworks for creating SIP apps
Open source Fax server software for inbound / outbound internet Faxing
H.323 Gatekeeper for VoIP and videconferencing
VoIP/SIP Autodialer
Baresip is a modular SIP User-Agent with audio and video support
An administration web interface for Mumble VoIP servers in PHP
SIP softphone
1 on 1 Webcam Videochat Script with P2P Support
Padrão de comunicação VOIP.