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MS Teams Direct Routing - International: Assign Numbers

How To Assign Direct Routing Numbers for International Direct Routing

Login into the Teams Admin Center as a 365 Global Administrator or Teams Administrator

On the left-hand side click on Users>Manage users

Search for the user that needs to have a Direct Routing Number Added and Click on the Display name


Under the Account, tab click "Edit" next to General information


Add the phone number to the "Assigned phone number" field in the format shown below with the 1 in front and then click Apply

To Remove the number just blank out the "Assigned phone number" then click Apply


This message will pop up and then click  "Wait"


Click on "Policies" and then click "Edit" next to "Assigned policies"


Scroll down to "Voice routing policy" and drop-down to select "CallTower Route (Region)" then click "Apply."

To remove the Voice routing policy drop-down select "Global" then click "Apply."


PowerShell Cmdlets to remove numbers and assign numbers

You must connect to the Microsoft Teams PowerShell Module using a 365 Global Administrator or Teams Administrator account.

To remove the number from the user

Remove-CsPhoneNumberAssignment -Identity -RemoveAll

Grant-CsOnlineVoiceRoutingPolicy -Identity -PolicyName "$null"

To add the number to the user

Set-CsPhoneNumberAssignment -Identity  -PhoneNumber +441254825804 -PhoneNumberType DirectRouting

Grant-CsOnlineVoiceRoutingPolicy -Identity -PolicyName "CallTower Route - Region"

Note: Region = EMEA, LATAM or APAC for US based numbers the region will not be there.