# SMS Delivery Receipt Delays from Twilio to T-Mobile Czech Republic

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 1h 8m
- started 2026-06-09 14:16 UTC
- SMS, Europe
- eu
- id: DWN-b2c902aa17
- Official page: https://stspg.io/nfbvwvs6hb1q

## Updates from Twilio
### 2026-06-09 14:16 UTC: investigating
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-06-09 14:30 UTC: monitoring
We have observed a recovery in SMS delivery receipts from Twilio 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.

### 2026-06-09 15:24 UTC: resolved
The incident has been resolved and SMS delivery receipts from Twilio to T-Mobile network subscribers in the Czech Republic are operating normally.

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