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
Unified Communications Server
A simple noise gate app intended for use with VOIPs like Skype.
High performance, production quality STUN server and client library
1 on 1 Webcam Videochat Script with P2P Support
Open source Fax server software for inbound / outbound internet Faxing
H.323 Gatekeeper for VoIP and videconferencing
Baresip is a modular SIP User-Agent with audio and video support
Simple web interface for mapping CDR from VoIP provider to Asterisk
SIP softphone