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

> Sinch maintenance “[Scheduled] External Maintenance - AT&T Platform Upgrade” on 2023-10-11: impact maintenance (vendor’s label), 3.0 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt
Last updated: 2023-10-11T08:01:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: resolved
- Started: 2023-10-11 05:00 UTC · Resolved: 2023-10-11 08:01 UTC · Duration: 3.0 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/4hb6g3h35lnt](https://status.sinch.com/incidents/4hb6g3h35lnt)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2023-10-11 08:01 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 2023-10-11 05:00 UTC, resolved after 3.0 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt
- Citation: Sinch, “[Scheduled] External Maintenance - AT&T Platform Upgrade” (2023-10-11 05:00 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled External Maintenance - AT&T Platform Upgrade (2023-10-11)](https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt)`


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Canonical: https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt · Markdown: https://rewindex.com/company/sinch/incidents/4hb6g3h35lnt.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/4hb6g3h35lnt · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:43:21.820Z