Zingle incident
SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to T-Mobile United States
Resolved after 15 days 19 hours, on August 31, 2026.
The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.
Update timeline
- monitoring Aug 31, 2026, 06:33 PM UTC
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Aug 31, 2026, 08:40 PM UTC
The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.
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