Asterisk Alternatives

    Asterisk is described as 'is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD' and is an app in the Social & Communications category. There are more than 25 alternatives to Asterisk for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and Android. The best alternative is 3CX Phone System, which is free. Other great apps like Asterisk are Wazo (Free, Open Source), FreeSWITCH (Free, Open Source), FusionPBX (Free, Open Source) and Kamailio (Free, Open Source).

    This page was last updated Oct 20, 2021

    1. Yate is a softswitch (concept of separating the network hardware from network software).
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      Yate - Yet Another Telephony Engine vs Asterisk opinions
      pros, cons and recent comments
      Carrier type services - not targeted as a PBX
      Negative comment over 4 years ago

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    2. VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).
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    3. Unchained resources : Voximal integrates cloud speech services like Google Speech API, IBM Watson SpeechToText, Azure Bing Speech, but keeps on-premise capability thanks to UNIMRCP connector. Solid Standards :
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      • FreeOpen Source
      • Linux
      A SIP based implementation of a PBX / unified communications system.
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    4. sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features. sipXcom can be run along side your existing Cisco, Avaya, Mitel, Shortel or other PBX while you migrate users to the sipXcom system.
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      • FreeOpen Source
      • Linux
      SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.
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    5. Thirdlane® Multi Tenant PBX Platform is a reliable, cost-effective Multi Tenant IP PBX and Unified Communications software platform with support for voice, messaging, video, integrations Salesforce, Google, Office 365 and other applications.
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    6. Thirdlane Business PBX platform provides all of the easy-to-use advanced communications features businesses need, with the flexibility for customization and growth - at a fraction of the cost of competitive solutions.
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    7. Natterbox leads the way for telephony within Salesforce! Global business phone system, 100% embedded and managed within Salesforce from one single app. Salesforce Ben review: http://www.salesforceben.
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      • FreemiumProprietary
      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • iPad
      • Software as a Service (SaaS)
      Leverage maximum potential and cost effectiveness with VoIP telephony. Perfectly optimise your internal and external communication and intelligently shape your business processes around your business objectives.
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    Showing 20 of 29 alternatives