# Outbound Messaging 10DLC Incident

- Provider: [Bandwidth](https://down.guide/bandwidth)
- Level: confirmed
- Impact: Degraded
- lasted 2h 9m
- started 2026-05-12 20:13 UTC
- SMS Messaging (SMPP), MMS Messaging (MM4), Line Feature Management
- id: DWN-9ec2cc1742
- Official page: https://stspg.io/b9bl5dyy5mgh

## Updates from Bandwidth
### 2026-05-12 20:13 UTC: investigating
Teams are investigating an incident impacting outbound SMS and MMS messaging. Customers may experience increased (4)476 errors on fully provisioned 10DLC numbers.

### 2026-05-12 21:47 UTC: monitoring
Teams are observing expected messaging behavior and will monitor for prolonged stability.

### 2026-05-12 22:22 UTC: resolved
This incident has been resolved.

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