SMS Delivery Delays to US Cellular via a subset of Twilio short codes

Incident Report for Twilio

Resolved

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

Posted Feb 21, 2024 - 04:04 PST

Update

We continue to observe recovery in MMS/SMS delivery delays when sending messages to the US Cellular network in the USA, from a subset of Twilio short code numbers. 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 Feb 21, 2024 - 03:09 PST

Monitoring

We are observing recovery in MMS/SMS delivery delays when sending messages to the US Cellular network in the USA, from a subset of Twilio short code numbers. We will continue monitoring the service to ensure a full recovery. We will provide another update in 30 minutes, or as soon as more information becomes available.

Posted Feb 21, 2024 - 02:39 PST

Update

We are continuing to investigate this issue.

Posted Feb 21, 2024 - 02:03 PST

Update

We are experiencing SMS delivery delays when sending messages to the US Cellular network in the USA, from a subset of Twilio short code numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours, or as soon as more information becomes available.

Posted Feb 21, 2024 - 01:25 PST

Investigating

We are experiencing SMS delivery delays when sending messages to the US Cellular network in the USA, from a subset of Twilio short 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 Feb 21, 2024 - 00:22 PST

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