TM1199570: Microsoft Teams Service Health Incident (Service Degradation)

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365 Service Alert

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Dec 18, 2025, 2:17:15 PM12/18/25
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Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop and web clients.                                                                                                                                                                                      
Microsoft

Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop and web clients

ID: TM1199570

Issue type: Incident

Status

Service Degradation

Impacted services

Microsoft Teams

Details

Title: Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop and web clients

User impact: Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop and web clients.

More info: Specifically, affected users may be missing the dial pad option in the Microsoft Teams clients, and only a subset of the affected users may be unable to receive calls.

While we're working to remediate impact, we've received reports that admins can de-provision and re-provision the phone numbers for affected users to resolve the issue.

Current status: Our investigation has identified a potential API issue preventing the users' licenses from being read as expected. We're also analyzing recent service updates which may be contributing to impact to further isolate the root cause of impact and develop a remediation strategy.

Scope of impact: Any user attempting to place calls using the dial pad using the Microsoft Teams desktop or web clients may be intermittently impacted, and a subset of users may be unable to receive calls.

Next update by: Thursday, December 18, 2025, at 8:30 PM UTC

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