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.

Current status Report incident History

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Degraded performance

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Major Outage

Under maintenance

Operator Alert - South Korea (KR) - KTF (450/02;04;08)

Incident Report for Telesign System

Resolved

Start Time: 11:52 AM PST - 28/04/26
End Time: 12:35 PM PST - 28/04/26

We received notification that the network issues previously reported by KTF (450/02;04;08) from South Korea (KR) have been resolved. KTF (450/02;04;08) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01163657

Posted Apr 28, 2026 - 12:51 PDT

Investigating

Start Time: 11:52 AM PST - 28/04/26
End Time: Ongoing

We received notification that KTF (450/02;04;08) from South Korea (KR) 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 01163657

Posted Apr 28, 2026 - 11:55 PDT

This incident affected: SMS/SMS Verify - APAC (South Korea).