CmdID

CmdID / PowerShell / Cmdlets / Get

Get-CsPhoneNumberPolicyAssignment

This cmdlet retrieves policy assignments associated with a specific telephone number or a list of telephone numbers in Microsoft Teams. Microsoft Teams PowerShell reference

From the Microsoft Teams PowerShell reference 4 parameters Its page in the reference

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Parameters

4 in the Microsoft Teams PowerShell reference
-TelephoneNumber, -IdentitySpecifies the telephone number to query.
-PolicyTypeFilters results by the type of policy assigned (e.g., TenantDialPlan, CallingLineIdentity etc.).
-PolicyNameFilters results by the name of the policy.
-ResultSizeLimits the number of telephone numbers returned in the results.