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Best IP PBX Software in 2026

IP PBX software provides phone-system functions over IP networks. It can suit organisations choosing between hosted, self-hosted, desktop, mobile, or web-based deployment.

  1. 1

    3CX

    by 3CX
    Free plan WebWindowsLinux+3
    7.7 Free plan · paid from $300/yr Visit site
  2. 2

    4PSA VoipNow

    Free plan APILinuxSelf-hosted+1

    VoipNow covers PBX, contact-center, collaboration, integration, and deployment needs in one platform. The free edition is narrowly limited, while broader capacity and features use paid plans.

    7.7 Free plan · 30-day trial Visit site
  3. 3

    FusionPBX

    Free plan APILinuxSelf-hosted+1

    FusionPBX provides a broad, self-hosted communications platform with PBX, call-center, voicemail, and browser-calling functions.

    7.6 Free plan Visit site
  4. 4

    Incredible PBX

    Free plan LinuxMacSelf-hosted+2

    Incredible PBX bundles core telephony software with a broad set of deployment images and security components. Note the platform-specific fax exclusion when selecting an image.

    7.5 Free plan Visit site
  5. 5

    MikoPBX

    Free plan APILinuxSelf-hosted+1

    MikoPBX combines a free Asterisk-based PBX with extensive deployment, routing, integration, and API options.

    7.4 Free plan Visit site
  6. 6

    PortSIP PBX

    Free plan AndroidAPIiPhone+4

    Choose PortSIP PBX if you need a broad communications platform with a free edition and multiple deployment options.

    7.3 Free plan Visit site
  7. 7

    VitalPBX

    by VitalPBX
    Free plan AndroidAPIExtension+6

    VitalPBX offers a free plan alongside three paid plans, with features including custom call routing and voicemail transcription.

    7.1 Free plan · paid from $100/mo Visit site
  8. 8

    Wazo Platform

    by Wazo Platform
    Free plan AndroidAPIiPhone+3

    Choose Wazo Platform if you need a free, self-hosted and programmable foundation for telecom services.

    7.0 Open source Visit site
  9. 9

    Thirdlane Business Communications Platform

    by Thirdlane Business Communications Platform
    Free trial AndroidAPIiPhone+4

    Thirdlane covers business telephony, collaboration, contact-center operations, and integration in deployable configurations.

    6.1 Pricing on request Visit site
  10. 10

    Vodia PBX

    by Vodia PBX
    Free trial AndroidAPIiPhone+5

    Pick Vodia PBX if your business needs multiple numbers and the listed call handling features across web, desktop, and mobile platforms.

    6.0 Pricing on request · 60-day trial Visit site
  11. 11

    sipXcom

    Free plan LinuxWeb
    5.8 Free plan Visit site
  12. 12

    Mitel MiVoice Business

    by Mitel MiVoice Business
    Paid AndroidExtensioniPhone+3

    MiVoice Business brings calling, collaboration, mobility, and contact-center capabilities into one platform with broad deployment choices.

    5.7 Pricing on request Visit site
  13. 13

    PBXware

    by PBXware
    Paid AndroidAPIExtension+6

    Choose PBXware if you need business calling across desktop and mobile platforms alongside communications tools such as meetings, chat, and SMS.

    5.7 Pricing on request Visit site
  14. 14

    Yeastar P-Series Cloud Edition

    by Yeastar P-Series Cloud Edition
    Free trial AndroidAPIExtension+4

    Yeastar P-Series Cloud Edition covers calling, contact-center communication, integrations, and multiple client types in one service.

    5.5 30-day trial Visit site
  15. 15

    Wildix

    by Wildix
    Paid WebWindowsMac+3

    Choose Wildix if your organization needs business communications across desktop and mobile platforms and its listed call features fit your needs.

    5.4 Pricing on request Visit site
  16. 16

    Avaya IP Office

    Paid AndroidiPhoneMac+1

    Consider Avaya IP Office if your organization wants business calling, messaging, meetings, call recording, and an auto attendant across its listed platforms.

    5.0 Pricing on request Visit site
  17. 17

    innovaphone PBX

    Paid Web
    4.5 90-day trial Visit site
  18. 18

    Kazoo

    Paid Web
    4.4 Pricing on request Visit site
  19. 19

    Yate

    Paid Linux
    3.9 Open source Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free-plan terms, trial length, paid starting prices, concurrent call limits, deployment options, web management, call recording, high availability, and supported platforms. If you need to read or change code, check the licence for the product you choose.

Questions

What is IP PBX software?

IP PBX software provides phone-system functions over IP networks, with options for web, desktop, mobile, or self-hosted deployment.

Can I use an IP PBX without paying?

Yes. Tools in this category offer free plans. Check the included features, usage terms, and any limits before relying on a free plan.

Are free trials available?

Yes. Trial offers appear for tools in this category. Check the trial duration and what functions remain available during the trial.

Which platforms support these tools?

Supported platforms across the category include web, Linux, Windows, Android, self-hosted, and iOS.

What should I compare before choosing?

Compare free-plan terms, paid starting price, concurrent call limit, deployment options, web management, call recording, high availability, and platform support.

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