# Vonage API: USA MMS - Delivery Degradation affecting MMS traffic for AT&T network

- Provider: [Vonage API](https://outages.cc/vonage.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-27 15:04 UTC
- Resolved: 2026-10-28 03:12 UTC (lasted 12 h 8 min)
- Components: MMS North America, Global Connectivity - MMS North America
- Official update: https://stspg.io/0z3fkl6wzncl

## Updates from Vonage API

### resolved, 2026-10-28 03:12 UTC

This incident has been resolved.

### monitoring, 2026-10-28 02:50 UTC

A fix has been implemented and we are monitoring the results.

### investigating, 2026-10-27 15:04 UTC

We have observed MMS delivery degradation affecting Long Codes to AT&T network subscribers in the United States The carrier is aware of this issue and investigating the root cause. We will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com