Outage in Sinch
Delivery Issue - United States - AT&T
Resolved MinorIncident Report
Summary AI Generated
On November 12, 2026, Sinch experienced SMS delivery issues on the AT&T network in the United States for approximately 3.4 hours. Affected services included SMS Verification and SMS US 10DLC, with users experiencing failed, delayed, or missing message deliveries and late or missing delivery receipts. The incident was resolved by 03:41 UTC with no further action required.
We are currently observing delivery issues in United States - AT&T
Incident Start Time: 2026-11-12 00:00 UTC
Impact: Failed MT's/Delayed MT's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 11/12/2026 03:56AM
This incident has been resolved.
Incident Start Time: 2026-11-12 00:00 UTC
Incident End Time: 2026-11-12 03:41 UTC
INVESTIGATING
2 days ago - at 11/12/2026 02:01AM
We are continuing to investigate this issue.
INVESTIGATING
2 days ago - at 11/12/2026 12:33AM
We are currently observing delivery issues in United States - AT&T
Incident Start Time: 2026-11-12 00:00 UTC
Impact: Failed MT's/Delayed MT's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
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