You may want to clear the Microsoft Teams Client Cache. In the article below by Mark Vale you can manually clear the cache folders or use the PowerShell script to accomplish the task.
https://blog.valeconsulting.co.uk/2018/09/28/clear-the-microsoft-teams-client-cache/
Suggestion stems from https://techcommunity.microsoft.com/t5/microsoft-teams/teams-status-stuck-on-in-a-call/m-p/1238413
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