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Documentation Index

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SIP/IPBX telephony software.

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IP PBX Systems

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Asterisk

Easy to use but advanced IP PBX system, VoIP gateway and conference server.
  • Source Code: GitHub
  • License: GPL-2.0
  • Tech Stack: C, deb

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Freepbx

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

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FreeSWITCH

Scalable open source cross-platform telephony platform.
  • Source Code: GitHub
  • License: MPL-2.0
  • Tech Stack: C

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FusionPBX

Web interface for multi-platform voice switch called FreeSWITCH.
  • Source Code: GitHub
  • License: MPL-1.1
  • Tech Stack: PHP

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Wazo

Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.
  • Source Code: GitHub
  • License: GPL-3.0
  • Tech Stack: Python

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SIP Servers & Proxies

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Kamailio

Modular SIP server (registrar/proxy/router/etc).
  • Source Code: GitHub
  • License: GPL-2.0
  • Tech Stack: C, deb

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openSIPS

SIP proxy/server for voice, video, IM, presence and any other SIP extensions.
  • Source Code: GitHub
  • License: GPL-2.0
  • Tech Stack: C

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Routr

Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure.
  • Source Code: GitHub
  • License: MIT
  • Tech Stack: Docker, K8S

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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.
  • Source Code: GitHub
  • License: AGPL-3.0
  • Tech Stack: C, Docker

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VoIP Monitoring & Troubleshooting

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SIP3

VoIP troubleshooting and monitoring platform.

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SIPCAPTURE Homer

Troubleshooting and monitoring VoIP calls.
  • Source Code: GitHub
  • License: AGPL-3.0
  • Tech Stack: Nodejs, Go, Docker

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Softswitch Solutions

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Yeti-Switch

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