Task 8You need to prevent guest users from calling your company ' s Teams users.

To prevent guest users from calling your company’s Teams users, you need to turn off the calling capability for guests in the Teams admin center. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to  Users   >   Guest access .

Turn off the  Make private calls  setting. This will disable the peer-to-peer calling feature for guests.

Click  Save  to apply the changes