PJSIP project

IVOZ Provider - Multitenant solution for VoIP telephony providers

Main repository! MikoPBX - is free, easy to setup PBX for small business based on Asterisk 16 core

Linphone is a free VoIP and video softphone based on the SIP protocol. Mirror of git://git.linphone.org/linphone-desktop.git

mjSIP - a complete Java-based SIP stack implementation

A WebRTC, SIP and VoIP library for C# and .NET. Designed for real-time communications apps.

🏆 WebRTC - SFU - Simple, Secure, Scalable Real-Time Video Conferences Up to 8k, compatible with all browsers and platforms.

Yeti admin interface. Opensource SIP SBC with billing.

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.

Protect your SIP Servers from bad actors at https://sentrypeer.org

Decentralized, Global-Scale Media Server written in Rust (WebRTC/Whip/Whep/Rtmp/Sip)

Linphone.org mirror for linphone-android (https://gitlab.linphone.org/BC/public/linphone-android)

The official Asterisk Project repository.

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -

Linphone.org mirror for flexisip (git://git.linphone.org/flexisip.git)

SBC application that handles inbound calls

jambonz session border controller application for outbound calls

Multi tenant PBX for the Cloud PBX Service providers

Baresip is a modular SIP User-Agent with audio and video support

SIP softphone