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

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 5h 6m
- started 2026-04-16 01:30 UTC
- SMS, Europe
- eu
- id: DWN-86994af0d7
- Official page: https://stspg.io/40schvpv1582

## Updates from Twilio
### 2026-04-16 01:30 UTC: 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.

### 2026-04-16 01:31 UTC: 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.

### 2026-04-16 02:32 UTC: 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 2 hours or as soon as more information becomes available.

### 2026-04-16 04:34 UTC: 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.

### 2026-04-16 06:36 UTC: 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.

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