# SMS and MMS 10DLC Failure

- Provider: [Bandwidth](https://down.guide/bandwidth)
- Level: confirmed
- Impact: Degraded
- lasted 5h 13m
- started 2026-10-07 21:51 UTC
- SMS Messaging (SMPP), MMS Messaging (MM4)
- id: DWN-e125606855
- Official page: https://stspg.io/5hdd7smdp83n

## Updates from Bandwidth
### 2026-10-07 21:51 UTC: investigating
Bandwidth teams are investigating an incident impacting outbound 10DLC messages towards AT&T. These messages may incorrectly fail to deliver due to an off network condition labeling said messages as fraud.

### 2026-10-08 02:18 UTC: monitoring
Teams are observing expected messaging behavior and will monitor for stability.

### 2026-10-08 03:05 UTC: resolved
This incident has been resolved.

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