# Twilio: SMS Delivery Failures to United Kingdom - O2 Network

> Twilio status incident “SMS Delivery Failures to United Kingdom - O2 Network” on 2021-05-25: impact minor (vendor’s label), 5.8 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/yhyqwykgdb20
Last updated: 2021-05-26T03:56:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-05-25 22:09 UTC · Resolved: 2021-05-26 03:56 UTC · Duration: 5.8 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/yhyqwykgdb20](https://status.twilio.com/incidents/yhyqwykgdb20)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-05-26 03:56 UTC: We are no longer experiencing SMS delivery failures when sending messages to United Kingdom - O2 Network. 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 2021-05-25 22:09 UTC, resolved after 5.8 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/yhyqwykgdb20
- Citation: Twilio, “SMS Delivery Failures to United Kingdom - O2 Network” (2021-05-25 22:09 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/yhyqwykgdb20 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failures to United Kingdom - O2 Network (2021-05-25)](https://rewindex.com/company/twilio/incidents/yhyqwykgdb20)`


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Canonical: https://rewindex.com/company/twilio/incidents/yhyqwykgdb20 · Markdown: https://rewindex.com/company/twilio/incidents/yhyqwykgdb20.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/yhyqwykgdb20 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:23:32.887Z