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

> Sinch maintenance “[Scheduled] External Maintenance - US AT&T” on 2019-12-18: impact maintenance (vendor’s label), 7.5 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx
Last updated: 2019-12-18T10:31:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: resolved
- Started: 2019-12-18 03:00 UTC · Resolved: 2019-12-18 10:31 UTC · Duration: 7.5 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/ryw8d0nyhlhx](https://status.sinch.com/incidents/ryw8d0nyhlhx)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2019-12-18 10:31 UTC: We are writing to inform you that this maintenance was cancelled. New date is set tomorrow. (2019-12-19) Same start and end-time.

_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 2019-12-18 03:00 UTC, resolved after 7.5 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx
- Citation: Sinch, “[Scheduled] External Maintenance - US AT&T” (2019-12-18 03:00 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled External Maintenance - US AT&T (2019-12-18)](https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx)`


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Canonical: https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx · Markdown: https://rewindex.com/company/sinch/incidents/ryw8d0nyhlhx.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/ryw8d0nyhlhx · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:27:22.317Z