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
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Impacted services
Microsoft Teams
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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 have been intermittently unable to place calls using the dial pad in Microsoft Teams desktop and web clients.
More info: Specifically, affected users were missing the dial pad option in Microsoft Teams clients, and a subset were unable to receive calls.
Admins could have de-provisioned and re-provisioned phone numbers to resolve the issue. Affected users could restart the Microsoft Teams client to receive an expedited fix.
Final status: We’ve confirmed the reversion process completed and verified through service monitoring and with affected users that this action successfully remediated the problem.
Scope of impact: Any user attempting to place calls using the dial pad in Microsoft Teams desktop or web clients was intermittently impacted, and a subset of users were unable to receive calls.
Start time: Monday, December 15, 2025, at 8:00 PM UTC
End time: Friday, December 19, 2025, at 4:12 PM UTC
Root cause: A recent service update intended to facilitate location services contained a code error, resulting in impact.
Next steps:
- We're investigating how the recent service update intended to facilitate location services contained a code error to prevent this problem from happening again.
This is the final update for the event.
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