# Vonage API: USA SMS - Delivery degradation affecting 10DLC  traffic towards AT&T operator

> Vonage API reports an SMS delivery degradation for 10DLC traffic toward the AT&T operator in the USA. The affected components are SMS North America and Global Connectivity - SMS North America. Vonage is investigating the issue.

- Provider: [Vonage API](https://outages.live/vonage.md)
- Type: Incident
- State: investigating
- Worst impact: Degraded performance
- Started: 2026-11-12 01:14 UTC
- Components: SMS North America, Global Connectivity - SMS North America
- Official update: https://stspg.io/cpd1c1d7f730

## Updates from Vonage API

### investigating, 2026-11-12 01:18 UTC

Please be advised that we are observing SMS delivery degradation for 10dlc towards AT&T operator in USA.. We are working towards resolution of the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com