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

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-01 09:10 UTC · Resolved: 2026-10-01 15:26 UTC · Duration: 6.3 h
- Updates: 3 · Affected components: Global Connectivity - SMS North America, SMS North America
- [Vendor status page: https://stspg.io/0xw20s8hx37s](https://stspg.io/0xw20s8hx37s)
- [Company: Vonage](https://rewindex.com/company/vonage.md)

## Timeline of updates

- **investigating** 2026-10-01 09:10 UTC: 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
- **monitoring** 2026-10-01 13:04 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-10-01 15:26 UTC: This incident has been resolved.


---
Canonical: https://rewindex.com/company/vonage/incidents/gc55f0f8y1sg · Markdown: https://rewindex.com/company/vonage/incidents/gc55f0f8y1sg.md · JSON: https://rewindex.com/api/v1/companies/vonage/incidents/gc55f0f8y1sg · Generated 2026-10-18T12:37:07.487Z