Microsoft Teams offers two distinct categories of phone numbers. Properly selecting the appropriate phone number type during the configuration process is of utmost significance. Based on this choice, the number's allocation could be directed to either a resource account or a user within your team.
This type of phone number is used with call attendants and call-queues and will be assigned to a resource account. This type of phone number will be assigned to a resource account.
This type of phone number is assigned to a user on your team.