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.


icon Asterisk#

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

Website Source Code

★3675 2026-11-05 C deb GPL-2.0

Communication - SIP


icon 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

★195 2026-11-06 C Docker AGPL-3.0

Communication - SIP


icon Freepbx#

Web-based GUI that controls and manages Asterisk.

Website Source Code

★? ? PHP GPL-2.0

Communication - SIP


icon FreeSWITCH#

Scalable cross-platform telephony platform.

Website Source Code

★5289 2026-10-28 C MPL-2.0

Communication - SIP


icon FusionPBX#

Web interface for multi-platform voice switch called FreeSWITCH.

Website Source Code

★1087 2026-11-08 PHP MPL-1.1

Communication - SIP


icon Kamailio#

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

Website Source Code

★2994 2026-11-07 C deb GPL-2.0

Communication - SIP


icon openSIPS#

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

Website Source Code

★1544 2026-11-06 C GPL-2.0

Communication - SIP


icon Routr#

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

Website Source Code

★1730 2026-11-06 Docker K8S MIT

Communication - SIP


icon SIP3#

VoIP troubleshooting and monitoring platform.

Website Source Code Demo

★? ? Java Apache-2.0

Communication - SIP


icon SIPCAPTURE Homer#

Troubleshooting and monitoring VoIP calls.

Website Source Code

★2032 2026-11-08 Nodejs Go Docker AGPL-3.0

Communication - SIP


icon 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


icon 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