Microsoft 365 - Unable to receive calls through Microsoft Teams

This incident has been resolved.

Update from Microsoft:

We’ve deployed the configuration to the auto-attendant app and are seeing service functionality improvements as expected. We’re continuing to monitor to confirm the fix is mitigating impact.

Update from Microsoft:

- Preliminary root case
A configuration change to an auto-attendant app ID record that matches inbound calls with users in call queues is preventing users from receiving calls and causing the impact.

Latest Update:
We've discovered that a modification to an auto attendant application ID record is rejecting Microsoft Teams call queues. We've deployed a fix to update the affected application ID record, which will mitigate impact.

Microsoft is currently experiencing an issue with receiving calls through Microsoft Teams. Microsoft has posted a service incident. We appreciate your patience.
Tracking Number: TM1022107

Summary of Microsoft Incident:

- User impact
Users may not be able to receive calls placed through Microsoft Teams provisioned auto attendants and call queues.

- Scope of impact
Users expecting to make or receive calls routed through Microsoft Teams-provisioned auto attendants and call queues may be affected.

Latest Update from Microsoft:

We've detected a potential authentication token issue that may be contributing to impact, and we're further examining this pathway to determine our next troubleshooting steps.