Alternatives to FreeSWITCH for all platforms with any license

Platforms

Desktop

Show 6 less popular platforms
  • Asterisk icon

    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.

    Open Source Mac Windows Linux

    No features added Add a feature
  • 3CX Phone System icon

    3CX Phone System

    3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy. Connect...

    Freemium Windows Android iPhone

    No features added Add a feature
  • Elastix 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
  • unxsVZ uSIPSwitch icon

    unxsVZ uSIPSwitch

    uSipSwitch a micro sip switch (sip proxy) perfect for edge SIP SBC work (e.g. hosted PBX business). Comes with web console and DNS health tools. Uses modern clustering...

    Open Source Linux

    No features added Add a feature
  • AsteriskNOW icon

    AsteriskNOW

    AsteriskNOW is the fastest way to get started building custom telephony solutions with Asterisk. Simply download the .iso file, burn it to a CD, drop it into the CD or...

    Free Linux

    No features added Add a feature
  • kamailio 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:...

    Open Source Linux

    No features added Add a feature
  • opensips icon

    opensips

    OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server. OpenSIPS is more than a SIP proxy/router as it includes application-level...

    Open Source Linux

    No features added Add a feature
  • VoipSwitch icon

    VoipSwitch

    VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic package includes softswitch app, IVR app...

    Commercial Windows

  • PBX in a Flash icon

    PBX in a Flash

    PBX in a Flash is a PBX system based on Asterisk, FreePBX and CentOS, coming as an ISO download. A two stage installation process allows for more flexibility for the...

    Open Source Linux

    No features added Add a feature
  • Yate - Yet Another Telephony Engine 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...

    Open Source Linux

    No features added Add a feature
    • Requires "a lot of" appliances to work, you must spend a lot of money to do this. With FreeSwitch you need a PC, OpenVox Card and ready. Guest • Aug 2015 Disagree   Agree
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  • XiVO icon

    XiVO

    XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile...

    Open Source Mac Windows Linux

    No features added Add a feature
  • Flexisip icon

    Flexisip

    SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.

    Open Source Linux

    No features added Add a feature
  • sipXecs

    A SIP based implementation of a PBX / unified communications system.

    Open Source Linux

    No features added Add a feature

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