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

Incident
July 16, 8:22pm

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

Status: closed
Start: July 16, 4:36pm
End: July 16, 8:22pm
Duration: 3 hours 45 minutes
Affected Components:
3rd Party Providers Twilio SMS Long Code, North America
Investigating

July 16, 4:36pm

July 16, 4:36pm

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long 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

July 16, 4:37pm

July 16, 4:37pm

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long 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 2 hours or as soon as more information becomes available.

Identified

July 16, 4:40pm

July 16, 4:40pm

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple small 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

July 16, 5:45pm

July 16, 5:45pm

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long 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.

Monitoring

July 16, 6:15pm

July 16, 6:15pm

We have observed a recovery in SMS delivery receipts from a subset of Twilio Long 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

July 16, 8:22pm

July 16, 8:22pm

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