# Sinch: [Scheduled] Maintenance: Emergency SMSC software upgrade - US3

> Sinch maintenance “[Scheduled] Maintenance: Emergency SMSC software upgrade - US3” on 2020-04-21: impact maintenance (vendor’s label), 4.0 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv
Last updated: 2020-04-21T12:00:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: resolved
- Started: 2020-04-21 08:00 UTC · Resolved: 2020-04-21 12:00 UTC · Duration: 4.0 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/cxy4g34cp0wv](https://status.sinch.com/incidents/cxy4g34cp0wv)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2020-04-21 12:00 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 2020-04-21 08:00 UTC, resolved after 4.0 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv
- Citation: Sinch, “[Scheduled] Maintenance: Emergency SMSC software upgrade - US3” (2020-04-21 08:00 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled Maintenance: Emergency SMSC software upgrade - US3 (2020-04-21)](https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv)`


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Canonical: https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv · Markdown: https://rewindex.com/company/sinch/incidents/cxy4g34cp0wv.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/cxy4g34cp0wv · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:12:08.139Z