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What Happened to MiCloud Flex? Has Mitel Stopped Selling MiCloud Flex?

Retail and Partner Delivered versions of MiCloud Flex reached end of sale on June 30, 2022. The two best alternatives/replacements for MiCloud Flex Retail and Partner Delivered are MiVoice Business Subscription and RingCentral’s RingEXTM.

Wholesale versions of MiCloud Flex reached End of Sale on December 31, 2023. Existing customers on MiCloud Flex Wholesale will continue to be supported by Mitel partners after this date. The best alternative or replacement for MiCloud Flex Wholesale is MiVoice Business on a Subscription plan. Learn more about Mitel Subscription and MiVoice Business Solutions to make the move that makes sense for your business. Contact your local Mitel communications reseller for next steps.


Why has Mitel stopped selling MiCloud Flex?


On November 9, 2021, Mitel announced a strategic partnership with RingCentral in which RingCentral is now Mitel’s exclusive UCaaS partner.

This Mitel-RingCentral partnership provides existing Mitel MiCloud Flex customers a seamless path to RingCentral’s RingEXTM, ranked as the market leader in the Gartner Magic Quadrant for Unified Communications-as-a-Service. It also gives Mitel Partners the opportunity to partner with RingCentral.


In addition, Mitel has evolved MiVoice Business and now provides a full range of deployment and commercial options.

These solutions provide all the options a prospective customer may require and present great alternatives for existing MiCloud Flex customers when they are ready for the next move.



What should I do next? What are the best alternatives and replacements to MiCloud Flex?


MiCloud Flex customers have numerous options available depending on their business needs. The two best alternatives/replacements to MiCloud Flex are MiVoice Business and RingEX.


With MiVoice Business, MiCloud Flex customers get access to features like:


With RingEX, MiCloud Flex customers get access to features like:


Will Mitel continue to support MiCloud Flex?


Mitel will continue to support existing customers and partners on the MiCloud Flex service, leveraging the existing support processes. Technical and support documentation will continue to be available on the PowerUP Hub for Mitel partners, and other technical publication sites like the Mitel Document Center.

Existing customers and partners will continue to have the ability to manage their MiCloud Flex accounts, including adding or changing their services, through the partner or via Mitel support teams. For MiCloud Flex Retail and Partner Delivered, customers or partners adding locations will continue to be able to do this through the Mitel Support organization.

This page is NOT announcing the end of support of MiCloud Flex.


  • Mitel has evolved its portfolio offering to provide all MiCloud Flex options via alternative public and private cloud solutions depending on what customers are looking for.  RingEX is a complete UCaaS solution deployed in RingCentral’s public cloud data centers.

  • Yes. Existing customers will be able to add services or locations to their accounts through their partner or via Mitel support. This will remain true after June 30, 2022 for MiCloud Flex Retail and Partner Delivered customers and after December 31, 2023 for MiCloud Flex Wholesale customers.

  • No, Mitel will continue to support MiCloud Flex.

Looking for other products, including products from an acquisition or merger?

Mitel regularly acquires and merges with companies. If you’re looking for information on legacy Mitel products or products from one of the companies acquired by, or merged with, Mitel, you may find them here:


Mitel products

Aastra products

Shoretel products

Oaisys products

Corvisa products

Mitel Cloud Services Inc. US Regulatory Notice:

The FCC will normally authorize this proposed discontinuance of service (or reduction or impairment) unless it is shown that customers would be unable to receive service or a reasonable substitute from another carrier or that the public convenience and necessity is otherwise adversely affected. If you wish to object, you should file your comments as soon as possible, but no later than 15 days after the Commission releases public notice of the proposed discontinuance. You may file your comments electronically through the FCC's Electronic Comment Filing System using the docket number established in the Commission's public notice for this proceeding, or you may address them to the Federal Communications Commission, Wireline Competition Bureau, Competition Policy Division, Washington, DC 20554, and include in your comments a reference to the ยง 63.71 Application of Mitel Cloud Services Inc. Comments should include specific information about the impact of this proposed discontinuance (or reduction or impairment) upon you or your company, including any inability to acquire reasonable substitute service.

Issued By:
Mitel Cloud Services Inc. 1146 North Alma School Rd Mesa, AZ 85201


*See Terms & Conditions here > 

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