Before you begin
Verify that users have activated accounts in Control Hub, and they should be successfully registered to Unified Communications Manager or Webex Calling for making calls.
Make sure your users have the Webex app.
Make sure you have Administrator rights for Microsoft Teams.
Make sure users' phone numbers are updated in the Azure Active Directory.
Go to Microsoft Teams Admin Center .
From the menu on the left, click.
In the search box, search for
Toggle on the app status to Allowed .
From the menu on the left, go to.
Select the policy for your organization, and make sure Third Party apps is set to Allow all apps .
From the menu on the left, select.
Select the policy for your organization.
Click Save .