What you need to know:
Microsoft are simplifying the calling experience in the Teams desktop app (Windows and Mac) by providing a streamlined view that combines contacts, voicemail, and calling history.

Additional enhancements are also coming to Teams Calling:

  • CarPlay support for Teams Calling
  • Teams Admins can take advantage of the Teams and OneDrive or SharePoint integration and make OneDrive or SharePoint the default calls recording storage location, in lieu of Stream.
  • Teams will identify potential spam calls and digitally attest to outgoing calls to prevent them from being rejected by external recipients.

What you need to do:
Once your Teams desktop app is updated, you will see the new calling experience. A streamlined view shows contacts, voicemail, and calling history at once, making it easier to initiate or return a call with a single click:

Availability:
This feature rollout will be begin late February and be complete by mid-March early to late May 2021.

Links:

Related blog: Restore and maintain personal connections with new Microsoft Teams Calling features