You configure the user telephone numbers for MS Teams users in Azure Active Directory.
Prolog information
Metadata
Keywords:
Using a user account with full administrator rights, login to Azure Active Directory at https://portal.azure.com.
Select Azure AD and then Users.
Select the required user.
Select Contact Info.
Set the user's Office phone number as required. Azure Active Directory stores this as the businessPhone value. The format varies depending on the type of number being set, see Telephone and Extension Numbers.
ADDITIONAL INFORMATION:
Number
Example Azure Active Directory Phone Number Format
