SMS Delivery Delays To AT&T USA Using Toll-Free Numbers And A Subset Of Long Code Numbers

Incident Report for Twilio

Resolved

We have fully investigated the SMS delivery delays issue, and it was determined that the delays are caused by an on-going maintenance by our carrier partner. All systems should be operational once the maintenance is done.

Posted Jan 19, 2022 - 22:50 PST

Investigating

We are observing SMS delivery delays when sending messages to AT&T USA using toll-free numbers and a subset of long code numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Jan 19, 2022 - 22:42 PST

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