SMS Delivery Delays to the US Cellular Network via a Subset of Short Codes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to the US Cellular network in the US via a subset of short codes. This incident has been resolved.

Posted Mar 25, 2022 - 19:10 PDT

Update

We are continuing to observe recovery in SMS delivery delays when sending messages to the US Cellular network in the US via a subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Mar 25, 2022 - 18:10 PDT

Monitoring

We are observing recovery in SMS delivery delays when sending messages to the US Cellular network in the US via a subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Mar 25, 2022 - 16:11 PDT

Update

We are continuing to work with our carrier partner to resolve the issue causing SMS delivery delays to the US Cellular Network via a subset of short codes. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Mar 25, 2022 - 15:01 PDT

Update

We are experiencing SMS delivery delays when sending messages to the US Cellular network in the US via a subset of short codes. 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 Mar 25, 2022 - 14:01 PDT

Investigating

Our monitoring systems have detected a potential issue with SMS Delivery Delays when sending messages to the US Cellular network in the US via a subset of short codes. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Mar 25, 2022 - 13:58 PDT

This incident affected: CARRIER NETWORK (SMS Short Code, North America).