Delivery Issue US - AT&T

Incident Report for Sinch

Resolved

This incident has been resolved.

Incident Start Time: 2026-04-29 19:35 UTC
Incident End Time: 2026-05-01 01:30 UTC
Posted May 01, 2026 - 05:38 UTC

Update

We are continuing to investigate this issue.
Posted Apr 30, 2026 - 21:41 UTC

Update

We are continuing to investigate this issue.
Posted Apr 30, 2026 - 18:48 UTC

Investigating

We are currently observing delivery issues in US - AT&T

Incident Start Time: 2026-04-29 19:35 UTC

Impact: Delayed MT's/Delayed MO'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.
Posted Apr 30, 2026 - 17:18 UTC
This incident affected: External Connectivity (SMS - US - 10DLC).