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We are using e-c in China, and our customers do not use email, they would like to use phone number and phone SMS to do register for business.
So we need e-c to support phone number to do register and password found function, this is very imported.
Category: General
STATUS DETAILS
Completed
Ideas Administrator

Good Day,

For customers using Dynamics 365 Commerce and AAD B2C, this feature is now supported. 

Follow the AAD B2C documentation here to configure it.

https://docs.microsoft.com/en-us/azure/active-directory-b2c/phone-authentication-user-flows

Thank you