Install the Webex Calling as the default calling option for all users in your organization.
Use this article to configure your Teams app with Webex calling options. The icon is added to the left navigation and as a messaging extension. With the Teams calling option turned off, everyone in the organization uses the same platform to make and receive calls.
Before you begin
Verify that users have assigned licenses in Control Hub and registered to Cisco Unified Communications Manager, or Webex Calling for making calls.
Users must have Webex App installed.
Make sure you are a Teams Administrator.
It can take a few hours for changes in Microsoft Teams to take effect.
Sign in to Teams admin center to manage your apps and allow Webex Call.
Manage third-party apps in your Permission policies to allow Webex Call.
Install Webex Calling, then add the icon to the Webex app and unpin the built-in calling option.
Optional––disable the built-in calling option org-wide and make Webex Call the only call option:
Users aren't able to access the built-in calling option.