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

> Sinch maintenance “[Scheduled] External Maintenance - AT&T - US” on 2020-06-22: impact maintenance (vendor’s label), 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/717nb58hnn46
Last updated: 2020-06-22T19:22:00Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: unknown
- Started: 2020-06-22 19:22 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/717nb58hnn46](https://status.sinch.com/incidents/717nb58hnn46)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **unknown** : Dear Client, We are writing to inform you that AT&T - US has postponed the maintenance listed below until further notice. Type: Scheduled Maintenance Start Time: 2020-06-24 04:00 UTC End Time: 2020-06-24 11:00 UTC Impact MT: Clients may experience delayed/rejected/failed short code MT towards AT&T Impact MO: Clients may experience delayed/rejected/failed short code MO from towards AT&T Please contact support@sinch.com should you require further information or assistance.

_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 2020-06-22 19:22 UTC, not resolved, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/717nb58hnn46
- Citation: Sinch, “[Scheduled] External Maintenance - AT&T - US” (2020-06-22 19:22 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/717nb58hnn46 (CC BY 4.0).
- Markdown link: `[Sinch: Scheduled External Maintenance - AT&T - US (2020-06-22)](https://rewindex.com/company/sinch/incidents/717nb58hnn46)`


---
Canonical: https://rewindex.com/company/sinch/incidents/717nb58hnn46 · Markdown: https://rewindex.com/company/sinch/incidents/717nb58hnn46.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/717nb58hnn46 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:47:20.147Z