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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Operator Alert - Thailand (TH) - Advanced Info Service PLC (AIS GSM) (520/01;03) - 11/3/26

Incident Report for Telesign System

Resolved

Start Time: 5:37 AM PST - 11/3/26
End Time: 6:17 AM PST - 11/3/26

Network issues previously reported for Advanced Info Service PLC (AIS GSM) (520/01;03) from Thailand (TH) have been resolved. Advanced Info Service PLC (AIS GSM) (520/01;03) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01265121

Posted Nov 03, 2026 - 06:43 PST

Investigating

Start Time: 1:37 AM PST - 11/3/26
End Time: Ongoing

We are currently observing a quality degradation towards Advanced Info Service PLC (AIS GSM) (520/01;03) in Thailand (TH), which may cause delays in SMS delivery. We will inform you once the operator has come to a resolution.

SF 01265121

Posted Nov 03, 2026 - 05:50 PST

This incident affected: SMS/SMS Verify - APAC (APAC - All countries, Thailand).