TeleSign incident
Operator Alert - South Korea (KR) - KTF (450/02;04;08)
Affected components
Update timeline
- investigating Apr 28, 2026, 06:55 PM UTC
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
- resolved Apr 28, 2026, 07:51 PM UTC
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
Looking to track TeleSign downtime and outages?
Pingoru polls TeleSign's status page every 5 minutes and alerts you the moment it reports an issue — before your customers do.
- Real-time alerts when TeleSign reports an incident
- Email, Slack, Discord, Microsoft Teams, and webhook notifications
- Track TeleSign alongside 5,000+ providers in one dashboard
- Component-level filtering
- Notification groups + maintenance calendar
5 free monitors · No credit card required