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

- Impact (vendor’s label): minor
- Status: monitoring · edited after publishing
- Started: 2026-10-20 17:57 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 2 · Affected components: Global Connectivity - SMS North America, SMS North America
- [Vendor status page: https://stspg.io/krcxd7fnclmz](https://stspg.io/krcxd7fnclmz)
- [Company: Vonage](https://rewindex.com/company/vonage.md)

## Timeline of updates

- **investigating** 2026-10-20 17:57 UTC: Please be advised that we are observing SMS delivery degradation for TFN 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** 2026-10-20 18:28 UTC: A fix has been implemented and we are monitoring the results.

## Rewindex changes for this incident

- 2026-10-20 18:23 UTC: [Incident silently edited: USA SMS - Delivery degradation affecting TFN traffic towards AT&T operator](https://rewindex.com/change/r9ef5b7ee0c777d.md)
- 2026-10-20 18:33 UTC: [Incident updated: USA SMS - Delivery degradation affecting TFN traffic towards AT&T operator](https://rewindex.com/change/rbe15eb41f66ca6.md)


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Canonical: https://rewindex.com/company/vonage/incidents/pkz1n193hlg8 · Markdown: https://rewindex.com/company/vonage/incidents/pkz1n193hlg8.md · JSON: https://rewindex.com/api/v1/companies/vonage/incidents/pkz1n193hlg8 · Generated 2026-10-20T23:38:07.238Z