Communication - SIP#

SIP/IPBX telephony software.


Software#

This page lists all projects in this category. Use the index of all projects, the sidebar, or click on tags to browse other categories.


Asterisk#

Easy to use but advanced IP PBX system, VoIP gateway and conference server.

Website Source Code

★2599 2025-06-12 C deb GPL-2.0

Communication - SIP


Flexisip#

Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.

Website Source Code

★165 2025-06-11 C Docker AGPL-3.0

Communication - SIP


Freepbx#

Web-based open source GUI that controls and manages Asterisk.

Website Source Code

★? ? PHP GPL-2.0

Communication - SIP


FreeSWITCH#

Scalable open source cross-platform telephony platform.

Website Source Code

★4120 2025-06-11 C MPL-2.0

Communication - SIP


FusionPBX#

Web interface for multi-platform voice switch called FreeSWITCH.

Website Source Code

★869 2025-06-12 PHP MPL-1.1

Communication - SIP


Kamailio#

Modular SIP server (registrar/proxy/router/etc).

Website Source Code

★2482 2025-06-12 C deb GPL-2.0

Communication - SIP


openSIPS#

SIP proxy/server for voice, video, IM, presence and any other SIP extensions.

Website Source Code

★1360 2025-06-10 C GPL-2.0

Communication - SIP


Routr#

Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure.

Website Source Code

★1525 2025-01-29 Docker K8S MIT

Communication - SIP


SIP3#

VoIP troubleshooting and monitoring platform.

Website Source Code Demo

★? ? Java Apache-2.0

Communication - SIP


SIPCAPTURE Homer#

Troubleshooting and monitoring VoIP calls.

Website Source Code

★1775 2025-05-13 Nodejs Go Docker AGPL-3.0

Communication - SIP


Wazo#

Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.

Website Source Code

★? ? Python GPL-3.0

Communication - SIP


Yeti-Switch#

Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API.

Website Source Code Demo

★? ? C++ Ruby GPL-2.0

Communication - SIP