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

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-07 05:59 UTC · Resolved: 2026-10-07 10:53 UTC · Duration: 4.9 h
- Updates: 5 · Affected components: Global Connectivity - SMS North America, SMS North America, Global Connectivity - MMS North America, MMS North America
- [Vendor status page: https://stspg.io/0lhl3jq19p47](https://stspg.io/0lhl3jq19p47)
- [Company: Vonage](https://rewindex.com/company/vonage.md)

## Timeline of updates

- **investigating** 2026-10-07 05:59 UTC: Please be advised that we are observing SMS delivery degradation for TFN, SC & 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
- **monitoring** 2026-10-07 06:22 UTC: A fix has been implemented and we are monitoring the results.
- **monitoring** 2026-10-07 07:18 UTC: We are continuing to monitor for any further issues.
- **monitoring** 2026-10-07 07:53 UTC: We are continuing to monitor for any further issues.
- **resolved** 2026-10-07 10:53 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/vonage/incidents/bm4mhvv1rgh4 · Markdown: https://rewindex.com/company/vonage/incidents/bm4mhvv1rgh4.md · JSON: https://rewindex.com/api/v1/companies/vonage/incidents/bm4mhvv1rgh4 · Generated 2026-10-18T09:45:54.940Z