SMS Delivery Delays from a Subset of Twilio Long Codes and Toll-Free Numbers to Verizon United States

Incident

July 28, 2:59am

SMS Delivery Delays from a Subset of Twilio Long Codes and Toll-Free Numbers to Verizon United States

Status: closed

Start: July 27, 10:22pm

End: July 28, 2:59am

Duration: 4 hours 36 minutes

Affected Components:

3rd Party Providers Twilio SMS Long Code, North America SMS Toll-Free, North America

Identified

July 27, 10:22pm

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes and Toll-Free Numbers to Verizon 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 27, 11:33pm

Twilio customers may be experiencing SMS delivery report delays from a subset of Twilio Toll-Free Numbers to Verizon 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 28, 1:17am

Twilio customers may be experiencing SMS delivery report delays from a subset of Twilio Toll-Free Numbers to Verizon 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 28, 2:59am

The incident has been resolved and SMS delivery receipts from a subset of Twilio Toll-Free Numbers to Verizon network subscribers in the United States are operating normally.