# Delivery Issue United States - AT&T

- Provider: [Sinch](https://down.guide/sinch)
- Level: confirmed
- Impact: Degraded
- lasted 5h 41m
- started 2026-05-07 16:58 UTC
- SMS - US - 10DLC
- us
- id: DWN-04d0883746
- Official page: https://stspg.io/g6kb8mzq2jpp

## Updates from Sinch
### 2026-05-07 16:58 UTC: investigating
We are currently observing delivery issues towards United States - AT&T
Estimated Incident Start Time: 2026-05-06 14:00 UTC
Impact: Delayed delivery for concatenated 10DLC MT messages submitted towards AT&T US.
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.

### 2026-05-07 19:04 UTC: investigating
We are continuing to investigate this issue.

### 2026-05-07 21:52 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-05-07 22:39 UTC: resolved
This incident has been resolved.
Estimated Incident Start Time: 2026-05-06 14:00 UTC
Incident End Time: 2026-05-07 21:50 UTC

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