Toll-Free SMS Delivery Report Delays When Sending to US Cellular

Incident Report for Twilio

Resolved

The inconsistent delays in receiving message delivery reports when sending to US Cellular has been resolved and is operating normally at this time.

Posted Sep 30, 2020 - 22:00 PDT

Monitoring

The inconsistent delays in receiving message delivery reports when sending to US Cellular is now operating normally. We will continue to monitor the situation until 21:55 PDT before we mark the incident as fully resolved.

Posted Sep 30, 2020 - 20:58 PDT

Update

We are continuing 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 Sep 30, 2020 - 20:04 PDT

Update

We are experiencing inconsistent delays in receiving message delivery reports when sending to US Cellular although there is no impact to the actual message delivery. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 60 minutes or as soon as more information becomes available.

Posted Sep 30, 2020 - 18:52 PDT

Investigating

Our monitoring systems have detected a potential issue. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Sep 30, 2020 - 18:41 PDT

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