USA SMS - Delivery Degradation affecting T-mobile Network through a subset of 10DLC numbers

Incident Report for Vonage API Status

Resolved

This incident has been resolved.

Posted Oct 01, 2026 - 15:26 UTC

Monitoring

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

Posted Oct 01, 2026 - 13:04 UTC

Investigating

Please be informed that we are currently observing SMS delivery degradation towards T-mobile Network in USA through a subset of our 10DLC numbers.

We are working with our carrier partners to resolve 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

Posted Oct 01, 2026 - 09:10 UTC

This incident affected: Global Connectivity (SMS North America).