Sinch: External Maintenance - United States - T-Mobile
Affected components: External Connectivity - MMS - USMMS - USExternal Connectivity - MMS - US - 10DLCMMS - US - 10DLCExternal Connectivity - SMS - US - 10DLCSMS - US - 10DLCExternal Connectivity - SMS - US - ShortCodeSMS - US - ShortCode
Timeline of updates
- scheduled
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
Maintenance will begin as scheduled in 60 minutes.
- in progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Changes Rewindex caught on this incident
- Incident updated: External Maintenance - United States - T-Mobile
- Incident updated: External Maintenance - United States - T-Mobile
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-19 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
5ce9307ea767653f…Version 2 captured
In the 2026-10-21 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
d0de281adb005202…Version 3 captured
In the 2026-10-21 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
b14c48211328ac43…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Maintenance posted by Sinch, started 2026-10-19 19:51 UTC, not resolved, 3 update(s); edited after publishing.
- Title
- External Maintenance - United States - T-Mobile
- Vendor
- Sinch
- Date
- URL
- https://rewindex.com/company/sinch/incidents/lhvrjp349ms3
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