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Instead of Mitel Secure Cloud

Mitel Secure Cloud alternatives

Mitel Secure Cloud is a private managed communications service for large enterprises operating under demanding regulatory requirements. It combines presence management, persistent messaging, HD video meetings, mobile apps, omnichannel contact-center capabilities, advanced routing, workforce management, recording, supervisor tools, and demand forecasting. A dedicated isolated instance, Frankfurt-based data handling, BYOC support, hybrid links to on-premises systems, and automatic security and compliance updates support organizations in healthcare, finance, government, and similar sectors. Its redundant SIP architecture is described for 1,000 to 10,000-plus concurrent sessions, with service options for organizations starting at 1,000 users.

  1. 1

    Microsoft Teams

    by Microsoft Teams
    Free plan AndroidiPhoneLinux+3

    Free team collaboration with broad Microsoft 365 integration — Microsoft Teams adds Linux support, unlimited message history, guest access, channels, and Microsoft 365 integrations, while Mitel emphasizes private managed enterprise communications.

    7.3 Free plan Visit site
  2. 2

    3CX

    by 3CX
    Free plan WebWindowsLinux+3

    Small PBX deployments with a free option — 3CX offers a free plan for 40 included users with advanced routing and apps, whereas Mitel targets much larger private deployments.

    Free plan · paid from $300/yr Visit site
  3. 3

    PortSIP PBX

    Free plan AndroidAPIiPhone+4

    Service providers needing multi-tenant communications — PortSIP PBX supports multi-tenant Cloud PBX, UCaaS, CPaaS, and CCaaS with self-hosted or major-cloud deployment, unlike Mitel's private managed model.

    Free plan Visit site
  4. 4

    VitalPBX

    by VitalPBX
    Free plan AndroidAPIExtension+6

    Linux-based business phone systems — VitalPBX is a Linux-based Asterisk phone system with self-hosted deployment, while Mitel provides a private managed service for regulated enterprises.

    Free plan · paid from $100/mo Visit site
  5. 5

    Zadarma

    by Zadarma
    Free plan WebWindowsMac+2

    Small teams needing numbers and low-cost calling — Zadarma provides a free plan for 10 users, multiple business numbers, and custom routing, unlike Mitel's large-enterprise scale and pricing-on-request approach.

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

    Freshcaller

    Free plan AndroidiPhoneWeb

    Cloud contact centers with call intelligence — Freshcaller focuses on cloud contact-center routing, BYOC, numbers in over 90 countries, recordings, transcripts, and live dashboards rather than Mitel's dedicated instance.

    Free plan · paid from $15/user/mo (annual) · 14-day trial Visit site
  7. 7

    OnSIP

    by OnSIP
    Free plan AndroidiPhoneMac+2

    Small hosted phone systems with a trial — OnSIP offers a free five-user plan, multiple business numbers, and custom routing, while Mitel serves larger regulated organizations with private infrastructure.

    7.2 Free plan · paid from $18.95/user/mo · 30-day trial Visit site
  8. 8

    MyOperator

    by MyOperator
    Free plan AndroidAPIExtension+2
    7.2 From ₹5,000/mo (annual) Visit site
  9. 9

    Voxbi

    by Voxbi
    Free plan AndroidAPIiPhone+3
    7.0 Free plan · paid from €1.20/user/mo · 14-day trial Visit site
  10. 10

    SMSala

    by SMSala
    Free plan APIWeb
    6.8 Pricing on request Visit site
  11. 11

    Acefone

    by Acefone
    Free trial AndroidAPIExtension+4
    6.6 From ₹1,599/user/mo · 7-day trial Visit site
  12. 12
    6.3 From ₹1,999/mo Visit site
  13. 13

    Nextiva

    by Nextiva
    Free trial AndroidAPIExtension+5
    6.1 From $15/user/mo Visit site
  14. 14

    Avaya Cloud Office

    by Avaya Cloud Office
    Paid AndroidiPhoneMac+2
  15. 15

    Broadvoice Cloud PBX

    by Broadvoice Cloud PBX
    Paid AndroidiPhoneMac+2
    6.0 From $10/user/mo Visit site
  16. 16

    GoTo Connect

    Paid AndroidiPhoneMac+2
    5.8 Pricing on request Visit site
  17. 17

    Zoom Phone

    by Zoom Phone
    Free trial AndroidiPhoneLinux+2
    5.8 From $10/user/mo Visit site
  18. 18

    Dollu CCaaS

    by Dollu CCaaS
    Paid APIWeb
    5.6 Pricing on request Visit site
  19. 19

    ByondVoice

    by ByondVoice
    Paid Web
  20. 20

    KataTelecom Cloud PBX

    by KataTelecom Cloud PBX
    Paid AndroidiPhoneLinux+3
    5.5 Pricing on request Visit site
  21. 21

    Ooma Office

    by Ooma Office
    Paid WebWindowsMac+2
    5.5 From $19.95/user/mo Visit site
  22. 22
    5.5 30-day trial Visit site
  23. 23

    VirtualPBX

    by VirtualPBX
    Paid WebWindowsiPhone+1
    5.4 From $15/user/mo · 14-day trial Visit site
  24. 24

    Wildix

    by Wildix
    Paid WebWindowsMac+3
    5.4 Pricing on request Visit site
  25. 25

    RingCentral RingEX

    by RingCentral RingEX
    Paid AndroidiPhone
    5.2 From $19.99/user/mo (annual) · 14-day trial Visit site
  26. 26

    ChoiceCloud PBX

    Paid AndroidiPhoneMac+2
    4.9 From £4.99/mo Visit site
  27. 27

    Globalgig Hosted PBX

    Paid AndroidiPhoneWeb
    4.8 Pricing on request Visit site
  28. 28
    4.4 Pricing on request Visit site
  29. 29

    SumoFiber Hosted PBX

    Paid AndroidiPhoneWeb
    4.3 Pricing on request Visit site

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