Outage in Sinch
Delivery Issue Malaysia - Celcom
Resolved MinorIncident Report
Summary AI Generated
Sinch experienced SMS delivery issues specifically affecting Malaysia's Celcom network, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident impacted SMS services in the APAC region for 3.7 hours from 07:31 UTC to 12:04 UTC on May 25, 2026. The service was fully restored and the incident was resolved by 12:21 UTC.
We are currently observing delivery issues towards Malaysia - Celcom
Incident Start Time: 2026-05-25 07:31 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Components affected
Sinch SMS - APACTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 6 hours ago - at 05/25/2026 12:21PM
This incident has been resolved.
Incident Start Time: 2026-05-25 07:31 UTC
Incident End Time: 2026-05-25 12:04 UTC
INVESTIGATING
about 8 hours ago - at 05/25/2026 10:33AM
We are continuing to investigate this issue.
INVESTIGATING
about 10 hours ago - at 05/25/2026 08:42AM
We are currently observing delivery issues towards Malaysia - Celcom
Incident Start Time: 2026-05-25 07:31 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
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