SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States

Incident
October 01, 8:45am

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States

Status: closed
Start: October 01, 5:35am
End: October 01, 8:45am
Duration: 3 hours 9 minutes
Affected Components:
3rd Party Providers Twilio SMS Short Code, North America
Investigating

October 01, 5:35am

October 01, 5:35am

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.

Identified

October 01, 6:24am

October 01, 6:24am

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks 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.

Monitoring

October 01, 7:24am

October 01, 7:24am

We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to network subscribers on multiple networks 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

October 01, 8:45am

October 01, 8:45am

The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to affected networks in the United States are operating normally.