Hi @IBN
If you go to https://portal.office.com/Adminportal/Home?#/servicehealth you may see the service status of Microsoft Teams (if a problem is listed).
I currently see a service depredation for Teams (users dropping from meetings, but this shouldn't be your case):
I would recommend you submit a ticket at https://portal.office.com/Adminportal/Home?#/ which will help notify Microsoft of this issue:
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If this is helpful please accept answer.