SMS Delivery Delays from Twilio Pre-Registered Sender ID to T-Mobile Czech Republic

Incident Report for Twilio

Resolved

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.

Posted Apr 15, 2026 - 23:36 PDT

Monitoring

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.

Posted Apr 15, 2026 - 21:34 PDT

Update

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.

Posted Apr 15, 2026 - 19:32 PDT

Identified

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.

Posted Apr 15, 2026 - 18:31 PDT

Investigating

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.

Posted Apr 15, 2026 - 18:30 PDT

This incident affected: CARRIER NETWORK (SMS, Europe).