# Delivery Issue United States - AT&T - MMS

- Provider: [Sinch](https://down.guide/providers/sinch)
- Confidence: Confirmed
- Impact: Degraded
- lasted 50m
- started 2026-05-14 17:27 UTC
- MMS - US, MMS - US - 10DLC
- us
- id: DWN-1fb74ce0c1
- Official page: https://stspg.io/7xxb88vb2zpt

## Updates from Sinch
### 2026-05-14 17:27 UTC: investigating
We are currently observing delivery issues in United States - AT&T.
Impact: Customers may experience issues such as delayed or failed MMS delivery.
Incident Start Time: 2026-05-14 16:47 UTC
We are actively investigating and will provide further updates as more information becomes available.
For any inquiries, please contact us at support@sinch.com.

### 2026-05-14 18:17 UTC: resolved
This incident has been resolved.
Incident Start Time (Corrected): 2026-05-14 16:22 UTC
Incident End Time: 2026-05-14 17:32 UTC

From the builder: does your app depend on Sinch? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=sinch) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Sinch.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-1fb74ce0c1), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
