# Sinch: External Maintenance - United States - T-Mobile

> Sinch maintenance “External Maintenance - United States - T-Mobile” on 2026-10-15: impact maintenance (vendor’s label), 4 d, 4 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/f6txd6kxjpks
Last updated: 2026-10-19T12:01:07Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: completed
- Started: 2026-10-15 19:40 UTC · Resolved: 2026-10-19 12:01 UTC · Duration: 4 d
- Updates: 4 · Affected components: External Connectivity - MMS - US, External Connectivity - MMS - US - 10DLC, External Connectivity - SMS - US - 10DLC, External Connectivity - SMS - US - ShortCode, MMS - US, MMS - US - 10DLC, SMS - US - 10DLC, SMS - US - ShortCode
- [Vendor status page: https://status.sinch.com/incidents/f6txd6kxjpks](https://status.sinch.com/incidents/f6txd6kxjpks)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **scheduled** 2026-10-15 19:40 UTC: United States - T-Mobile has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US Maintenance start time: 2025-10-19 07:00 UTC Maintenance end time: 2025-10-19 12:00 UTC
- **scheduled** 2026-10-16 20:16 UTC: We are writing to inform you that the concerned maintenance activity has been changed to the below mentioned timeframe. Previous Start Time: 2025-10-19 07:00 UTC Previous End Time: 2025-10-19 12:00 UTC New Start Time: 2025-10-19 04:00 UTC New End Time: 2025-10-19 12:00 UTC Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
- **in progress** 2026-10-19 04:00 UTC: Scheduled maintenance is currently in progress. We will provide updates as necessary.
- **completed** 2026-10-19 12:01 UTC: The scheduled maintenance has been completed.

## Cite this

Maintenance posted by Sinch, started 2026-10-15 19:40 UTC, resolved after 4 d, 4 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/f6txd6kxjpks
- Citation: Sinch, “External Maintenance - United States - T-Mobile” (2026-10-15 19:40 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/f6txd6kxjpks (CC BY 4.0).
- Markdown link: `[Sinch: External Maintenance - United States - T-Mobile (2026-10-15)](https://rewindex.com/company/sinch/incidents/f6txd6kxjpks)`


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Canonical: https://rewindex.com/company/sinch/incidents/f6txd6kxjpks · Markdown: https://rewindex.com/company/sinch/incidents/f6txd6kxjpks.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/f6txd6kxjpks · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:35:25.834Z