Kamailio Alternatives

Kamailio is described as '® (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: asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP (voice, video); WebSocket support for' and is an app in the social & communications category. There are more than 10 alternatives to Kamailio for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted apps. The best Kamailio alternative is Asterisk, which is both free and Open Source. Other great apps like Kamailio are 3CX, FreeSWITCH, FreePBX and Yate - Yet Another Telephony Engine.

Kamailio iconKamailio
  4
  • Free • Open Source
  • ...

Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle...

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Kamailio alternatives page was last updated Oct 11, 2021
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  1. Asterisk icon

    Asterisk

     38 likes
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    Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions.

    31 Asterisk alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Mac
    • Linux
    • BSD
    • Cygwin
    • Oracle Solaris
    Asterisk screenshot 1

    Asterisk Features

    1.  VoiP Calls
    2.  Virtual PBX
    3.  Communication Tools
    4.  SIP
    5.  Low level
    6.  Voice Chat

    Asterisk VS Kamailio

     

    • Asterisk is the most popular Mac & Linux alternative to Kamailio.

    • Asterisk is the most popular Open Source & free alternative to Kamailio.

    • Asterisk is Free and Open SourceKamailio is also Free and Open Source
  2. 3CX icon

    3CX

     19 likes
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    The 3CX Phone System is the software-based private branch exchange (PBX) Phone system based on the SIP (Session Initiation Protocol) standard and enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services...

    33 3CX alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • CY flagCyprus
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Exchange Server
    • Raspberry Pi
    • Microsoft Office Suite
    3CX screenshot 1

    3CX Features

    1.  Multiple languages
    2.  Remote Work
    3.  Integrated File Sharing
    4.  Integrated Chat
    5.  Live polling
    6.  Video Conferencing
    7.  Voice Chat
    8.  SIP

    3CX VS Kamailio

     

    • 3CX is the most popular Web-based, Windows, Android, iPhone, iPad, Android Tablet & Self-Hosted alternative to Kamailio.

    • 3CX is Freemium and ProprietaryKamailio is Free and Open Source
  4. FreeSWITCH icon

    FreeSWITCH

     15 likes
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    FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions.

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    FreeSWITCH screenshot 1

    FreeSWITCH Features

    1.  Voice Chat
    2.  Support ZRTP

    FreeSWITCH VS Kamailio

     
  5. FreePBX icon

    FreePBX

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

    23 FreePBX alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    FreePBX screenshot 1

    FreePBX Features

    1.  VoiP Calls
    2.  SIP
    3.  Virtual PBX

    FreePBX VS Kamailio

     
  6. Yate - Yet Another Telephony Engine icon

    Yate - Yet Another Telephony Engine

     7 likes
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    Yate is a softswitch (concept of separating the network hardware from network software).

    License model

    • Free • Open Source

    Platforms

    • Linux
    • Mac
    • BSD
    • FreeBSD
    • Windows

    Yate - Yet Another Telephony Engine Features

    1.  Voice Chat
    2.  SIP

    Yate - Yet Another Telephony Engine VS Kamailio

     
  7. Wazo icon

    Wazo

     9 likes
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    Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and...

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    Wazo screenshot 1

    Wazo Features

    1.  Extensible by Plugins/Extensions
    2.  SIP
    3.  Web-Based

    Wazo VS Kamailio

     
  9. FusionPBX icon

    FusionPBX

     5 likes
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    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, fax server, voip server, voicemail server, conference server, voice application server, appliance framework...

    License model

    • Free • Open Source

    Platforms

    • Linux
    • BSD

    FusionPBX Features

    1.  Graphical User Interface
    2.  Voice Chat

    FusionPBX VS Kamailio

     
  10. Elastix icon

    Elastix

     9 likes
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    More than a PBX, with Elastix you can communicate with your customers through voice, video and live chat from anywhere. Built-in video conferencing, website live chat and smartphone apps, ensure your agents remain productive through one unified mobile solution.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Linux
    Elastix screenshot 1

    Elastix Features

    1.  Voice Chat

    Elastix VS Kamailio

     
  11. unxsVZ uSIPSwitch icon

    unxsVZ uSIPSwitch

     4 likes
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    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 NoSQL technology for advanced HA.

    License model

    • Free • Open Source

    Platforms

    • Linux
    unxsVZ uSIPSwitch screenshot 1

    unxsVZ uSIPSwitch Features

    1.  SIP

    unxsVZ uSIPSwitch VS Kamailio

     

  12. sipXecs

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

    License model

    • Free • Open Source

    Platforms

    • Linux

    sipXecs Features

    1.  SIP
    2.  Voice Chat

    sipXecs VS Kamailio

     
  13. Flexisip icon

    Flexisip

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

    License model

    • Free • Open Source

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Linux

    Flexisip Features

    1.  SIP

    Flexisip VS Kamailio

     
  14. VoipSwitch icon

    VoipSwitch

     1 like
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    VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).

    License model

    Platforms

    • Windows
    Main softswitch app

    VoipSwitch Features

    1.  Voice Chat
    2.  SIP
    3.  Video Conferencing
    4.  Call recording
    5.  IVR

    VoipSwitch VS Kamailio

     

    • VoipSwitch is the most popular commercial alternative to Kamailio.

    • VoipSwitch is Paid and ProprietaryKamailio is Free and Open Source
12 of 19 Kamailio alternatives