Outage in Telesign

Operator Alert - Czech Republic (CZ) - T-Mobile (Radio Mobil) (230/01;07)

Resolved Minor

October 21, 2026 - Started about 14 hours ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

T-Mobile (Radio Mobil) in Czech Republic experienced SMS delivery delays due to network quality degradation lasting approximately 3 hours (3:34 PM–6:44 PM PDT on October 20, 2026). The incident affected SMS delivery to T-Mobile end users in the Czech Republic. The issue was fully resolved by 6:44 PM PDT, with all services restored to normal operation.

Start Time: 3:34 PM PDT - 10/20/26 End Time: Ongoing We are currently observing a quality degradation towards T-Mobile (Radio Mobil) (230/01;07) in Czech Republic (CZ), which may cause delays in SMS delivery. We will inform you once the operator has come to a resolution. SF 01257206

Trusted by 1,000+ teams

The Status Page Aggregator with Early Outage Detection

Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.

Start Free Trial Learn More

Latest Updates ( sorted recent to last )

RESOLVED about 10 hours ago - at 10/21/2026 02:35AM

Start Time: 3:34 PM PDT - 10/20/26
End Time: 6:44 PM PDT - 10/20/26

Network issues previously reported for T-Mobile (Radio Mobil) (230/01;07) from Czech Republic (CZ) have been resolved. T-Mobile (Radio Mobil) (230/01;07) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01257206

INVESTIGATING about 14 hours ago - at 10/20/2026 10:40PM

Start Time: 3:34 PM PDT - 10/20/26
End Time: Ongoing

We are currently observing a quality degradation towards T-Mobile (Radio Mobil) (230/01;07) in Czech Republic (CZ), which may cause delays in SMS delivery. We will inform you once the operator has come to a resolution.

SF 01257206

Latest Telesign outages

Quality degradation - France (FR) - Orange France (208/01;02;12;17;32;91;95) - 10/21/2026 - about 1 hour ago

Operator Alert - United Arab Emirates (AE) - Etisalat (424/02) - 10/20/26 - about 16 hours ago

Operator Alert - Syria (SY) - MTN (Spacetel Areeba) (417/02) - 10/20/2026 - 1 day ago

Possible Delays - 1 day ago

The Status Page Aggregator with Early Outage Detection

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 · 6320 services available

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