Open Source Communication - SIP Software

Found 12 self-hosted alternatives in this category.

GPL-2.0

Asterisk

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

AGPL-3.0

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

GPL-2.0

Freepbx

Web-based open source GUI that controls and manages Asterisk

Website Source

MPL-2.0

FreeSWITCH

Scalable open source cross-platform telephony platform

Website Source

MPL-1.1

FusionPBX

Web interface for multi-platform voice switch called FreeSWITCH

Website Source

GPL-2.0

Kamailio

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

Website Source

GPL-2.0

openSIPS

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

Website Source

MIT

Routr

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

Website Source

Apache-2.0

SIP3

VoIP troubleshooting and monitoring platform. ([Demo](https://demo.sip3.io), [Source Code](https://github.com/sip3io/))

Website Source

AGPL-3.0

SIPCAPTURE Homer

Troubleshooting and monitoring VoIP calls

Website Source

GPL-3.0

Wazo

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

Website Source

GPL-2.0

Yeti-Switch

Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. ([Demo](https://demo.yeti-switch.org/), [Source Code](https://github.com/yeti-switch))

Website Source