You have a Microsoft 365 subscription that contains 300 users. All the users have existing direct inward dial (DID) phone numbers. You plan to implement Phone System in Microsoft Teams. You need to…

Question

Options

• AFrom Voice in the Microsoft Teams admin center, select Phone numbers, and then select Add.
• BFrom the Microsoft Teams admin center, run the porting wizard.
• CFrom the Microsoft Teams admin center, create a dial plan.
• DFrom the Microsoft 365 admin center, open a service request.

• B
  88% (22)
• C
  4% (1)
• D
  8% (2)

Explanation

Running the porting wizard from the Microsoft Teams admin center is the correct process for migrating existing DID phone numbers from a carrier to Microsoft Teams Phone System. Number porting (also called Local Number Portability) transfers ownership of existing numbers to Microsoft as the new carrier, and the porting wizard guides administrators through submitting a Letter of Authorization (LOA) and the porting order. Option A (Phone numbers > Add) is used to acquire new Microsoft-provided numbers, not to port existing ones. Option C (dial plan) configures number normalization and call routing rules-it does not move numbers. Option D (service request in M365 admin center) is not the correct workflow; the porting wizard in the Teams admin center is the designated self-service path for number porting.

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