Outage in Telesign

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

Resolved Minor
August 02, 2025 - Started about 19 hours ago - Lasted about 3 hours
Official incident page

Need to monitor Telesign outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Telesign, and never miss an outage again.
Start Free Trial

Outage Details

Start Time: 2:32AM PDT - 08/02/25 End Time: Ongoing We received notification that Advanced Info Service PLC (AIS GSM) (520/01;03) from Thailand (TH) 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 01037046
Latest Updates ( sorted recent to last )
RESOLVED about 16 hours ago - at 08/02/2025 12:09PM

Start Time: 2:32AM PDT - 08/02/25
End Time: 4:52AM PDT - 08/02/25

We received notification that the network issues previously reported by 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 01037046

INVESTIGATING about 19 hours ago - at 08/02/2025 09:37AM

Start Time: 2:32AM PDT - 08/02/25
End Time: Ongoing

We received notification that Advanced Info Service PLC (AIS GSM) (520/01;03) from Thailand (TH) 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 01037046

Latest Telesign outages

Operator Alert - Cambodia (KH) - Cellcard (MobiTel) (456/01;18) - about 12 hours ago
Phone ID - Sim Swap Service Alert - United States - 1 day ago
Operator Alert - Saudi Arabia (SA) - Virgin KSA (420/05) - 1 day ago
Operator Alert - Russia (RU) - Mobile TeleSystems (MTS) (250/01) - 1 day ago
Operator Alert - Argentina (AR) - AMX Argentina (Claro) (722/310;320;330) - 2 days ago

Be the First to Know When Vendors Go Down

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4400 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook