# P2P Outbound Messaging Incident - AT&T

- Provider: [Bandwidth](https://down.guide/bandwidth)
- Level: confirmed
- Impact: Degraded
- lasted 13h 53m
- started 2026-05-06 23:53 UTC
- SMS Messaging (SMPP), MMS Messaging (MM4)
- id: DWN-61016e3091
- Official page: https://stspg.io/zmtyk593s7dz

## Updates from Bandwidth
### 2026-05-06 23:53 UTC: investigating
Bandwidth teams are investigating an incident impacting P2P (non-10DLC) outbound messaging traffic towards AT&T destinations. Customers will see an increase in 4730 errors. Teams are working to restore expected messaging behavior.

### 2026-05-07 00:59 UTC: investigating
We are continuing to investigate this issue.

### 2026-05-07 02:51 UTC: investigating
We are continuing to investigate this issue.

### 2026-05-07 06:12 UTC: monitoring
Teams are observing expected delivery results. We are monitoring for stability.

### 2026-05-07 12:56 UTC: monitoring
Teams are observing expected delivery results. We are monitoring for stability.

### 2026-05-07 13:45 UTC: resolved
This incident has been resolved.

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