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

> Sinch maintenance “[Scheduled] External Maintenance - AT&T- US” on 2021-09-15: impact maintenance (vendor’s label), 7.0 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/s4dffx2c8l49
Last updated: 2021-09-15T11:01:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: resolved
- Started: 2021-09-15 04:01 UTC · Resolved: 2021-09-15 11:01 UTC · Duration: 7.0 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/s4dffx2c8l49](https://status.sinch.com/incidents/s4dffx2c8l49)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2021-09-15 11:01 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 2021-09-15 04:01 UTC, resolved after 7.0 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/s4dffx2c8l49
- Citation: Sinch, “[Scheduled] External Maintenance - AT&T- US” (2021-09-15 04:01 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/s4dffx2c8l49 (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled External Maintenance - AT&T- US (2021-09-15)](https://rewindex.com/company/sinch/incidents/s4dffx2c8l49)`


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Canonical: https://rewindex.com/company/sinch/incidents/s4dffx2c8l49 · Markdown: https://rewindex.com/company/sinch/incidents/s4dffx2c8l49.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/s4dffx2c8l49 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:09:29.694Z