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

Active events

⤢See more

Operational

Degraded performance

Partial Outage

Major Outage

Under maintenance

Operator Alert - Thailand (TH) - Advanced Info Service PLC (AIS GSM) (520/01;03) - 10/11/26

Incident Report for Telesign System

Resolved

Start Time: 4:27 AM PST - 10/11/26
End Time: 6:33 AM PST - 10/11/26

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) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01251333

Posted Oct 11, 2026 - 06:35 PDT

Investigating

Start Time: 4:27 AM PST - 10/11/26
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 01251333

Posted Oct 11, 2026 - 04:58 PDT

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