Twilio incident
SMS Delivery Delays from Twilio Pre-Registered Sender ID to T-Mobile Czech Republic
Resolved after 5 hours 5 minutes, affecting SMS, Europe, on April 16, 2026.
We have observed a recovery in SMS delivery from Twilio Pre-Registered Sender ID to T-Mobile network subscribers in the Czech Republic and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
Affected components
Update timeline
- investigating Apr 16, 2026, 01:30 AM UTC
Twilio Pre-Registered Sender ID customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Apr 16, 2026, 01:31 AM UTC
Twilio Pre-Registered Sender ID customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Apr 16, 2026, 02:32 AM UTC
Twilio Pre-Registered Sender ID customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Apr 16, 2026, 04:34 AM UTC
We have observed a recovery in SMS delivery from Twilio Pre-Registered Sender ID to T-Mobile network subscribers in the Czech Republic and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Apr 16, 2026, 06:36 AM UTC
We have observed a recovery in SMS delivery from Twilio Pre-Registered Sender ID to T-Mobile network subscribers in the Czech Republic and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
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