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

Incident

April 21, 9:06am

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

Status: closed

Start: April 21, 6:04am

End: April 21, 9:06am

Duration: 3 hours 1 minute

Affected Components:

3rd Party Providers Twilio SMS Short Code, North America

Investigating

April 21, 6:04am

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

April 21, 6:22am

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 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.

Monitoring

April 21, 7:13am

We have observed a recovery in SMS delivery 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

April 21, 9:06am

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.