# Twilio: SMS Delivery Delays to AT&T Mexico via Pre-Registered Sender

> Twilio status incident “SMS Delivery Delays to AT&T Mexico via Pre-Registered Sender” on 2021-09-02: impact minor (vendor’s label), 13 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/4yflsswygx0q
Last updated: 2021-09-03T06:34:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-09-02 17:33 UTC · Resolved: 2021-09-03 06:34 UTC · Duration: 13 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/4yflsswygx0q](https://status.twilio.com/incidents/4yflsswygx0q)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-09-03 06:34 UTC: We are no longer experiencing SMS delivery delays when sending messages to AT&T Mexico via pre-registered sender. This incident has been resolved.

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

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2021-09-02 17:33 UTC, resolved after 13 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/4yflsswygx0q
- Citation: Twilio, “SMS Delivery Delays to AT&T Mexico via Pre-Registered Sender” (2021-09-02 17:33 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/4yflsswygx0q (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays to AT&T Mexico via Pre-Registered Sender (2021-09-02)](https://rewindex.com/company/twilio/incidents/4yflsswygx0q)`


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Canonical: https://rewindex.com/company/twilio/incidents/4yflsswygx0q · Markdown: https://rewindex.com/company/twilio/incidents/4yflsswygx0q.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/4yflsswygx0q · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:57:55.034Z