Hi @Nithin Nanu
According to your case description, the call button is missing in your teams. The first thing we recommend is to try to log in to Teams Web using Microsoft Edge or Google Chrome to see if "calls" is displayed normally.
If everything is normal on the web page, the problem occurs on the client.
- Please try to clear the Teams cache:
- Search for "calls" in the sidebar More apps to see if calls is unpinned by mistake.
- Contact the administrator to ask whether the application policy has been changed in the management center to remove the calls app of the organization members.
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