SMS Delivery Failures to U.S. Carriers via a Subset of Twilio Toll-Free Numbers

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery failures when sending from a subset of Twilio toll-free numbers to multiple U.S. carriers. This incident has been resolved.

Posted Sep 13, 2021 - 13:42 PDT

Update

We continue to experience intermittent SMS delivery failures when sending from a subset of Twilio toll-free numbers to multiple U.S. carriers. Our engineers are still working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 13, 2021 - 11:41 PDT

Update

We are experiencing intermittent SMS delivery failures when sending from a subset of Twilio toll-free numbers to multiple U.S. carriers. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Sep 13, 2021 - 10:50 PDT

Investigating

We've become aware of a potential issue with increased SMS delivery failures via a subset of Twilio toll-free numbers. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Sep 13, 2021 - 10:27 PDT

This incident affected: CARRIER NETWORK (SMS Toll-Free, North America).