Alternatives to Kamailio 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
  • 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

    3CX Phone System icon
  • FreeSWITCH

    FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any...

    Free Open Source Mac OS X Windows Linux BSD

    No features added Add a feature

    FreeSWITCH icon
  • FusionPBX

    FusionPBX is an open source FreeSWITCH GUI. FusionPBX can be used as a high available single or domain based multi-tenant PBX, carrier grade switch, call center server...

    Free Open Source Linux BSD

    No features added Add a feature

    FusionPBX icon
  • Flexisip

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

    Free Open Source Linux

    No features added Add a feature

    Flexisip 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...

    Free Open Source Linux

    No features added Add a feature

    unxsVZ uSIPSwitch icon
  • Starfish PBX

    Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which we can add additional functionality like: ...

    Free Open Source Linux

    No features added Add a feature

  • 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
  • Know any more alternatives to Kamailio?

    Suggest an application to this list
  • 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

    VoipSwitch icon
  • sipXecs

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

    Free Open Source Linux

    No features added Add a feature

Platforms

Show 8 less popular platforms

Kamailio Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about Kamailio? Just click the button up to your right!