# Twilio: On Call Engineers are Investigating

> Twilio status incident “On Call Engineers are Investigating” on 2021-12-17: impact minor (vendor’s label), 19 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp
Last updated: 2021-12-17T15:40:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-12-17 15:21 UTC · Resolved: 2021-12-17 15:40 UTC · Duration: 19 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/n4d6szjqy7jp](https://status.twilio.com/incidents/n4d6szjqy7jp)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-12-17 15:40 UTC: We have fully investigated the SMS issue triggered by our automated alert, and it was determined that there is no noticeable customer impact. All systems are operational.

_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 2021-12-17 15:21 UTC, resolved after 19 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp
- Citation: Twilio, “On Call Engineers are Investigating” (2021-12-17 15:21 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp (CC BY 4.0).
- Markdown link: `[Twilio: On Call Engineers are Investigating (2021-12-17)](https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp)`


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Canonical: https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp · Markdown: https://rewindex.com/company/twilio/incidents/n4d6szjqy7jp.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/n4d6szjqy7jp · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:17:47.255Z