Alternatives to FusionPBX for all platforms with any license

  • Asterisk

    Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

    Free Open Source Mac OS X Windows Linux

    Asterisk icon
  • freepbx

    FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server.

    Free Open Source Linux

    freepbx icon
  • Issabel

    Your Open Source Solution For Unified Comunnications And More… Issabel™ is a free and open source software that allows you to build communication tools for businesses.

    Free Open Source Linux

    No features added Add a feature

    Issabel icon
  • Yate - Yet Another Telephony Engine

    Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, SIP, IAX1, IAX2, RTP. For the plain old...

    Free Open Source Linux

    No features added Add a feature

    Yate - Yet Another Telephony Engine icon
  • Elastix

    Elastix is an open source Unified Communications Server software that brings together IP PBX, email, IM, faxing and collaboration functionality. It has a web interface...

    Freemium Linux

    No features added Add a feature

    Elastix icon
  • MiRTA PBX

    The most advanced interface for managing Asterisk PBX with Multitenant and Realtime capabilities.

    Commercial Linux

    No features added Add a feature

    MiRTA PBX icon
  • Kamailio

    Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle thousands of call setups per second. Among features:...

    Free Open Source Linux

    No features added Add a feature

    Kamailio icon
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