SMS Delivery Reports Delay to Multiple Networks over a Subset of Short Codes in US

Incident Report for Twilio

Resolved

We are no longer experiencing delays in receiving SMS message delivery reports (DLRs) when sending to multiple US networks from a subset of Twilio short codes. This incident has been resolved.

Posted Sep 23, 2022 - 17:07 PDT

Monitoring

We are observing recovery in delays in receiving SMS message delivery reports (DLRs) when sending to multiple US networks from a subset of Twilio 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 Sep 23, 2022 - 15:16 PDT

Update

We continue to experience delays in receiving SMS message delivery reports (DLRs) when sending to multiple US networks from a subset of Twilio short codes. Our engineers are working 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 Sep 23, 2022 - 11:23 PDT

Update

We continue to experience delays in receiving message delivery reports (DLRs) when sending to multiple US networks from a subset of Twilio short codes. Our engineers are working 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 23, 2022 - 09:30 PDT

Update

We are experiencing delays in receiving message delivery reports (DLRs) when sending to multiple US networks from a subset of Twilio short codes. 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 Sep 23, 2022 - 08:33 PDT

Investigating

Our monitoring systems have detected a potential issue with delivery report (DLR) delays in the US from 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 Sep 23, 2022 - 08:28 PDT

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