Outage in Sinch
Delivery Issue United States - T-Mobile
Resolved MinorIncident Report
Summary AI Generated
Sinch experienced SMS delivery issues specifically affecting T-Mobile customers in the United States, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident impacted SMS services across ShortCode, Toll Free, and 10DLC components for approximately 2 hours from March 28, 2026 at 23:59 UTC until resolution on March 29, 2026 at 01:52 UTC. A fix was implemented and monitored before the incident was fully resolved.
We are currently observing delivery issues in United States - T-Mobile
Incident Start Time: 2026-03-28 23:59 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
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Latest Updates ( sorted recent to last )
RESOLVED
about 1 month ago - at 03/29/2026 02:19AM
This incident has been resolved.
Incident Start Time: 2026-03-28 23:59 UTC
Incident End Time: 2026-03-29 01:52 UTC
MONITORING
about 1 month ago - at 03/29/2026 01:46AM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
about 1 month ago - at 03/29/2026 12:22AM
We are currently observing delivery issues in United States - T-Mobile
Incident Start Time: 2026-03-28 23:59 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
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