SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

Incident

July 15, 5:11pm

SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

Status: closed

Start: July 15, 12:57pm

End: July 15, 5:11pm

Duration: 4 hours 13 minutes

Affected Components:

3rd Party Providers Twilio SMS Long Code, North America

Investigating

July 15, 12:57pm

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to AT&T 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

July 15, 1:16pm

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to AT&T 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.

Identified

July 15, 2:16pm

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to AT&T 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 2 hours or as soon as more information becomes available.

Monitoring

July 15, 3:07pm

We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to AT&T 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

July 15, 5:11pm

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