SMS Delivery Report Delays When Sending to US Cellular Corp from a Subset of Short Codes

Incident Report for Twilio

Resolved

We are no longer experiencing MMS/SMS delivery delays when sending messages to US Cellular Corp. This incident has been resolved.

Posted Dec 11, 2023 - 22:47 PST

Monitoring

We are observing recovery in MMS/SMS delivery delays when sending messages to US Cellular Corp. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hour or as soon as more information becomes available.

Posted Dec 11, 2023 - 21:01 PST

Update

We continue to experience delays in receiving message delivery reports when sending to US Cellular Corp from a subset of short codes. Our engineers continue to work with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

Posted Dec 11, 2023 - 17:00 PST

Update

We continue to experience delays in receiving message delivery reports when sending to US Cellular Corp from a subset of short codes. Our engineers continue to work 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 Dec 11, 2023 - 15:00 PST

Investigating

We are experiencing delays in receiving message delivery reports when sending to US Cellular Corp. 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 Dec 11, 2023 - 14:00 PST

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