SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Small Carriers in United States

Incident
August 25, 8:20am

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Small Carriers in United States

Status: closed
Start: August 24, 7:14pm
End: August 25, 8:20am
Duration: 13 hours 5 minutes
Affected Components:
3rd Party Providers Twilio SMS Short Code, North America
Investigating

August 24, 7:14pm

August 24, 7:14pm

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

August 24, 7:18pm

August 24, 7:18pm

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.

Identified

August 24, 8:20pm

August 24, 8:20pm

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 2 hours or as soon as more information becomes available.

Identified

August 24, 10:23pm

August 24, 10:23pm

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 4 hours or as soon as more information becomes available.

Monitoring

August 25, 2:25am

August 25, 2:25am

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.

Monitoring

August 25, 4:33am

August 25, 4:33am

We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Small Carriers network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Resolved

August 25, 8:20am

August 25, 8:20am

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