Twilio incident

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

Minor Resolved View vendor source →

Twilio experienced a minor incident on June 9, 2026 affecting SMS, Europe, lasting 1h 8m. The incident has been resolved; the full update timeline is below.

Started
Jun 09, 2026, 02:16 PM UTC
Resolved
Jun 09, 2026, 03:24 PM UTC
Duration
1h 8m
Detected by Pingoru
Jun 09, 2026, 02:16 PM UTC

Affected components

SMS, Europe

Update timeline

  1. investigating Jun 09, 2026, 02:16 PM UTC

    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.

  2. monitoring Jun 09, 2026, 02:30 PM UTC

    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.

  3. resolved Jun 09, 2026, 03:24 PM UTC

    The incident has been resolved and SMS delivery receipts from Twilio to T-Mobile network subscribers in the Czech Republic are operating normally.