# Sinch: [Scheduled] External Maintenance - AT&T- US

> Sinch maintenance “[Scheduled] External Maintenance - AT&T- US” on 2021-09-22: impact maintenance (vendor’s label), 7.0 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw
Last updated: 2021-09-22T11:00:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: resolved
- Started: 2021-09-22 04:01 UTC · Resolved: 2021-09-22 11:00 UTC · Duration: 7.0 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/sdhnh3d2l4nw](https://status.sinch.com/incidents/sdhnh3d2l4nw)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2021-09-22 11:00 UTC: The scheduled maintenance has been completed.

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

## Cite this

Maintenance posted by Sinch, started 2021-09-22 04:01 UTC, resolved after 7.0 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw
- Citation: Sinch, “[Scheduled] External Maintenance - AT&T- US” (2021-09-22 04:01 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled External Maintenance - AT&T- US (2021-09-22)](https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw)`


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Canonical: https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw · Markdown: https://rewindex.com/company/sinch/incidents/sdhnh3d2l4nw.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/sdhnh3d2l4nw · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:54:07.701Z