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

> Sinch maintenance “External Maintenance - United States - T-Mobile” on 2026-10-19: impact maintenance (vendor’s label), 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/lhvrjp349ms3
Last updated: 2026-10-21T03:03:16Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: in progress · edited after publishing
- Started: 2026-10-19 19:51 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 3 · Affected components: External Connectivity - MMS - US, MMS - US, External Connectivity - MMS - US - 10DLC, MMS - US - 10DLC, External Connectivity - SMS - US - 10DLC, SMS - US - 10DLC, External Connectivity - SMS - US - ShortCode, SMS - US - ShortCode
- [Vendor status page: https://stspg.io/cfm0j41t4bkf](https://stspg.io/cfm0j41t4bkf)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **scheduled** 2026-10-19 19:51 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: 2026-10-21 03:00 UTC Maintenance end time: 2026-10-21 11:00 UTC
- **scheduled** 2026-10-21 02:00 UTC: Maintenance will begin as scheduled in 60 minutes.
- **in progress** 2026-10-21 03:00 UTC: Scheduled maintenance is currently in progress. We will provide updates as necessary.

## Rewindex changes for this incident

- 2026-10-21 02:03 UTC: [Incident updated: External Maintenance - United States - T-Mobile](https://rewindex.com/change/rafea6ef9915320.md)
- 2026-10-21 03:03 UTC: [Incident updated: External Maintenance - United States - T-Mobile](https://rewindex.com/change/r7643b53afe24cd.md)

## Cite this

Maintenance posted by Sinch, started 2026-10-19 19:51 UTC, not resolved, 3 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/sinch/incidents/lhvrjp349ms3
- Citation: Sinch, “External Maintenance - United States - T-Mobile” (2026-10-19 19:51 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/lhvrjp349ms3 (CC BY 4.0).
- Markdown link: `[Sinch: External Maintenance - United States - T-Mobile (2026-10-19)](https://rewindex.com/company/sinch/incidents/lhvrjp349ms3)`


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Canonical: https://rewindex.com/company/sinch/incidents/lhvrjp349ms3 · Markdown: https://rewindex.com/company/sinch/incidents/lhvrjp349ms3.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/lhvrjp349ms3 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:37:24.340Z