SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to T-Mobile United States

Incident
August 31, 4:40pm

SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to T-Mobile United States

Status: closed
Start: August 31, 9:43am
End: August 31, 4:40pm
Duration: 6 hours 56 minutes
Affected Components:
3rd Party Providers Twilio SMS Short Code, North America
Investigating

August 31, 9:43am

August 31, 9:43am

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Identified

August 31, 10:42am

August 31, 10:42am

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the 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.

Identified

August 31, 11:44am

August 31, 11:44am

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

Identified

August 31, 1:45pm

August 31, 1:45pm

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

Monitoring

August 31, 2:33pm

August 31, 2:33pm

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.

Resolved

August 31, 4:40pm

August 31, 4:40pm

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.