TeleSign incident
Operator Alert - China (CN) - China Unicom (460/01;06;09)
Resolved after 5 hours 46 minutes, affecting China, on May 31, 2026.
Start Time: 07:50 PM PDT - 05/30/26 End Time: 11:47 PM PDT - 05/30/26 We received notification that the network issues previously reported by China Unicom (460/01;06;09) from China (CN) have been resolved. China Unicom (460/01;06;09) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01180138
Affected components
Update timeline
- investigating May 31, 2026, 03:23 AM UTC
Start Time: 07:50 PM PDT - 05/30/26 End Time: Ongoing We received notification that China Unicom (460/01;06;09) from China (CN) is currently experiencing network issues, and this may cause a delay in the delivery of SMS messages. We will inform you once the operator has come to a resolution. SF 01180138
- resolved May 31, 2026, 09:09 AM UTC
Start Time: 07:50 PM PDT - 05/30/26 End Time: 11:47 PM PDT - 05/30/26 We received notification that the network issues previously reported by China Unicom (460/01;06;09) from China (CN) have been resolved. China Unicom (460/01;06;09) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01180138
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