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

> Vonage API reports degraded MMS delivery in the United States. The problem affects MMS traffic to AT&T network subscribers from Long Codes and Short codes. It affects MMS North America and Global Connectivity - MMS North America. Vonage API is investigating, and the carrier also investigates the root cause.

- Provider: [Vonage API](https://outages.live/vonage.md)
- Type: Incident
- State: investigating
- Worst impact: Degraded performance
- Started: 2026-11-03 16:09 UTC
- Components: MMS North America, Global Connectivity - MMS North America
- Official update: https://stspg.io/fdfybmp0tb0q

## Updates from Vonage API

### investigating, 2026-11-03 16:12 UTC

We have observed MMS delivery degradation affecting Long Codes and Short 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