# Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China

- Impact (vendor’s label): minor
- Status: unknown
- Started: 2026-10-09 06:42 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/6vzm9lngb3cq](https://status.twilio.com/incidents/6vzm9lngb3cq)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **unknown** : We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/twilio/incidents/6vzm9lngb3cq · Markdown: https://rewindex.com/company/twilio/incidents/6vzm9lngb3cq.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/6vzm9lngb3cq · Generated 2026-10-19T23:37:01.744Z