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Best Cloud PBX Software in 2026

Cloud PBX software provides phone-system features through hosted services and apps. This list is for people comparing tools for business calling on a budget.

  1. 1

    3CX

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

    CloudTalk AI Voice Agent

    by CloudTalk AI Voice Agent
    Free plan AndroidAPIiPhone+4

    CloudTalk pairs automated call handling with escalation to human agents and a range of integrations.

    7.5 From $99/mo · 14-day trial Visit site
  3. 3

    Microsoft Teams

    by Microsoft Teams
    Free plan AndroidiPhoneLinux+3

    Teams covers messaging, calls, and meetings across platforms, with a free plan and business options that list expanded meeting and support features.

    7.3 Free plan Visit site
  4. 4

    MyOperator

    by MyOperator
    Free plan AndroidAPIExtension+2

    Pick MyOperator if your team wants calling, WhatsApp, and AI agents in a shared customer communication platform, with a limited-feature sandbox trial to explore selected workflows.

    7.2 From ₹5,000/mo (annual) Visit site
  5. 5

    OnSIP

    by OnSIP
    Free plan AndroidiPhoneMac+2

    OnSIP offers a free tier alongside paid calling and business phone features. The restriction on regular-number dialing for free SIP accounts is an important distinction when choosing a plan.

    7.2 Free plan · paid from $18.95/user/mo · 30-day trial Visit site
  6. 6

    Voxbi

    by Voxbi
    Free plan AndroidAPIiPhone+3

    Voxbi offers a free entry plan and paid options with different calling, summary, history, and reporting allowances. Check per-minute charges and plan-specific conditions when choosing an option.

    7.0 Free plan · paid from €1.20/user/mo · 14-day trial Visit site
  7. 7

    SMSala

    by SMSala
    Free plan APIWeb

    SMSala combines messaging, verification, and other communications APIs, with delivery reporting and developer resources.

    6.8 Pricing on request Visit site
  8. 8

    Acefone

    by Acefone
    Free trial AndroidAPIExtension+4

    Acefone combines multichannel business communications with contact-center workflows, integrations, and listed security controls.

    6.6 From ₹1,599/user/mo · 7-day trial Visit site
  9. 9

    Knowlarity Cloud Contact Center

    by Knowlarity Cloud Contact Center
    Free trial AndroidAPIiPhone+1

    Knowlarity provides cloud call handling with routing, recording, CRM connections, and mobile access.

    6.3 From ₹1,999/mo Visit site
  10. 10

    Nextiva

    by Nextiva
    Free trial AndroidAPIExtension+5

    Nextiva combines business calling with messaging, meetings, and collaboration features across its plans. The listed monthly options begin at $15 a month, and there is no free plan or trial.

    6.1 From $15/user/mo Visit site
  11. 11

    Avaya Cloud Office

    by Avaya Cloud Office
    Paid AndroidiPhoneMac+2

    Avaya Cloud Office brings business communications into one service with broad platform coverage and several plan tiers.

    6.0 Visit site
  12. 12

    Broadvoice Cloud PBX

    by Broadvoice Cloud PBX
    Paid AndroidiPhoneMac+2

    Choose Broadvoice Cloud PBX if your team needs managed business calling, flexible call handling, and options for mobile and remote users.

    6.0 From $10/user/mo Visit site
  13. 13

    GoTo Connect

    Paid AndroidiPhoneMac+2

    GoTo Connect spans business phone features, customer messaging, and contact center tools.

    5.8 Pricing on request Visit site
  14. 14

    Zoom Phone

    by Zoom Phone
    Free trial AndroidiPhoneLinux+2

    Choose Zoom Phone if you need a cloud phone system with routing tools, voicemail transcription, and connected communications across multiple platforms.

    5.8 From $10/user/mo Visit site
  15. 15

    Mitel Secure Cloud

    by Mitel Secure Cloud
    Paid AndroidiPhoneMac+2

    Mitel Secure Cloud brings business communications and contact-center functions into a dedicated managed environment.

    5.7 Pricing on request Visit site
  16. 16

    Dollu CCaaS

    by Dollu CCaaS
    Paid APIWeb

    Dollu CCaaS brings multichannel routing, outbound dialing, workforce tools, and conversation quality features into one contact center service.

    5.6 Pricing on request Visit site
  17. 17

    ByondVoice

    by ByondVoice
    Paid Web
    5.5 Visit site
  18. 18

    KataTelecom Cloud PBX

    by KataTelecom Cloud PBX
    Paid AndroidiPhoneLinux+3

    KataTelecom Cloud PBX centralizes business calling, routing, recording, and queue management across many platforms. Buyers should confirm number, configuration, and plan details before activation.

    5.5 Pricing on request Visit site
  19. 19

    Ooma Office

    by Ooma Office
    Paid WebWindowsMac+2

    Ooma Office combines business calling features with desktop and mobile access across five platforms.

    5.5 From $19.95/user/mo Visit site
  20. 20

    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
  21. 21

    VirtualPBX

    by VirtualPBX
    Paid WebWindowsiPhone+1

    VirtualPBX provides core business phone features with desktop and mobile applications.

    5.4 From $15/user/mo · 14-day trial Visit site
  22. 22

    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
  23. 23

    RingCentral RingEX

    by RingCentral RingEX
    Paid AndroidiPhone

    RingEX brings core business communications and collaboration into one app, with broad integrations and mobile support.

    5.2 From $19.99/user/mo (annual) · 14-day trial Visit site
  24. 24

    ChoiceCloud PBX

    Paid AndroidiPhoneMac+2
    4.9 From £4.99/mo Visit site
  25. 25

    Globalgig Hosted PBX

    Paid AndroidiPhoneWeb
    4.8 Pricing on request 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

Check whether a tool has a free plan or free trial, what its paid pricing starts at, and which licence applies if you need to read or change code. Compare supported platforms, endpoints, number types, extensions, call queues, auto attendant, and call recording before choosing.

Questions

Do cloud PBX tools have free plans?

A free plan is offered by tools in this category. Check the individual listing for its current free-plan terms.

Can I try a cloud PBX before paying?

A free trial is offered by tools in this category. Trial availability and terms depend on the individual product.

Which platforms are supported?

Listings include web, Android, iOS, Windows, macOS, and API platforms. Check the product listing for its supported options.

What features can I compare?

The list compares free plan, paid-from pricing, auto attendant, call recording, number types, supported endpoints, extensions included, and call queues.

Is pricing always shown?

Pricing can be a starting amount or available on request. For example, ChoiceCloud PBX lists £4.99 per month, while Globalgig and GoTo Connect show pricing on request.

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