Telesign system status

Telesign system status history

This page offers API uptime information for Telesign services, in addition to incident history reports and service issues alerts.

Active events

See more

Operational

Degraded performance

Partial Outage

Major Outage

Under maintenance

Operator Alert - China (CN) - China Unicom (460/01;06;09)

Incident Report for Telesign System

Resolved

Start Time: 8:30 AM PDT - 05/26/26
End Time: 4:25 PM PDT - 05/26/26

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 01177505
Posted May 26, 2026 - 17:29 PDT

Investigating

Start Time: 8:30 AM PDT - 05/26/26
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 01177505
Posted May 26, 2026 - 08:38 PDT
This incident affected: SMS/SMS Verify - APAC (China).