FREEDOM251

Freedom251 › Cloud, Backup & PC

Free and open first

Best Cloud Telephony Solutions in 2026

  1. 1

    3CX

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

    CallHippo

    Free plan AndroidExtensioniPhone+3

    Choose CallHippo for a business phone system with multiple numbers, routing, voicemail transcription and CRM connections.

    7.6 From $18/user/mo (annual) · 10-day trial Visit site
  3. 3

    Dialpad Meetings

    Free plan AndroidiPhoneMac+2

    Choose Dialpad Meetings if your team wants video meetings with browser or app joining, collaboration tools, and AI-generated transcripts or recaps.

    7.6 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.

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

    Zadarma

    by Zadarma
    Free plan WebWindowsMac+2

    Zadarma combines business calling features with web and device apps. Compare the listed plan allowances carefully, since they differ by plan.

    6.9 Free plan · paid from $39/mo (annual) · 7-day trial Visit site
  6. 6

    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
  7. 7

    Exotel Business Phone System

    by Exotel Business Phone System
    Free trial AndroidAPIiPhone+1

    Exotel combines business calling, routing, automation, analytics, and integrations for small teams.

    6.4 From ₹9,999 · 7-day trial Visit site
  8. 8

    Google Voice for business

    Free trial AndroidiPhoneMac+2

    Google Voice for business combines calling, routing, voicemail transcription, and administration across major platforms.

    6.4 From $10/user/mo 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.

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

    NFON Cloudya

    by NFON Cloudya
    Free trial AndroidAPIiPhone+3

    Cloudya combines business calling features with web, desktop, and mobile access.

    6.2 From €6.80/user/mo Visit site
  12. 12

    sipgate team

    Free plan iPhoneLinuxMac+2
    6.2 Free plan · 30-day trial Visit site
  13. 13

    Quo

    by Quo
    Free trial AndroidAPIiPhone+3

    Quo combines business calling across desktop and mobile platforms with call routing and voicemail features.

    6.1 From $15/user/mo (annual) · 7-day trial Visit site
  14. 14

    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
  15. 15

    GoTo Connect

    Paid AndroidiPhoneMac+2

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

    5.9 Pricing on request Visit site
  16. 16

    VoIPstudio

    by VoIPstudio
    Free trial AndroidExtensioniPhone+3

    VoIPstudio combines routing, business numbers, apps, integrations, and call-center functions across several paid options.

    5.9 From $6/user/mo · 30-day trial Visit site
  17. 17

    Grasshopper

    by Grasshopper
    Paid WebWindowsMac+2

    Grasshopper offers a clear progression from one-user calling to unlimited-user plans with more numbers and extensions.

    5.8 From $14/mo · 7-day trial Visit site
  18. 18

    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
  19. 19

    Ooma Office

    by Ooma Office
    Paid WebWindowsMac+2

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

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

    VirtualPBX

    by VirtualPBX
    Paid WebWindowsiPhone+1

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

    5.5 From $15/user/mo · 14-day trial Visit site
  21. 21

    Vonage Business Communications

    Paid WebWindowsMac+2

    Vonage Business Communications combines business calling features with desktop and mobile access.

    5.4 From $17.99/mo (annual) 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.

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

    Tata Tele Smartflo

    Paid AndroidiPhoneMac+2
    4.6 From ₹950/user/mo 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

More in Cloud, Backup & PC