Outage in Sinch
Delivery Issue Belgium - Proximus
Resolved MinorIncident Report
Summary AI Generated
Sinch experienced a 3.3-hour SMS delivery disruption affecting the Proximus network in Belgium, resulting in delayed outbound and inbound messages, as well as missing or late delivery receipts. The issue was traced to a carrier-side degradation on Proximus's network. A fix was implemented and the incident was fully resolved by 02:00 UTC on September 28, 2026.
We are currently observing delivery issues in Belgium - Proximus
Incident Start Time: 2026-09-27 22:01 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.
Components affected
Sinch SMS - EMEATrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
5 days ago - at 09/28/2026 02:08AM
This incident has been resolved.
Incident Start Time: 2026-09-27 22:01 UTC
Incident End Time: 2026-09-28 02:00 UTC
MONITORING
5 days ago - at 09/28/2026 01:34AM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
5 days ago - at 09/27/2026 11:51PM
The carrier has confirmed a degradation on their end, and they are currently working on resolving the issue.
As soon as we have any updates, they will be shared accordingly.
INVESTIGATING
5 days ago - at 09/27/2026 10:49PM
We are currently observing delivery issues in Belgium - Proximus
Incident Start Time: 2026-09-27 22:01 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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