SMS Delivery Receipt Delays to All US Networks Over a Subset of Shortcodes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery receipt delays when sending messages to all US networks except for T-Mobile over a subset of short codes. There is an on-going incident which continues to impact the T-Mobile network: https://status.twilio.com/incidents/q3vcllb0nptt

This incident has been resolved.

Posted Mar 21, 2022 - 19:52 PDT

Monitoring

We are observing a recovery from SMS delivery receipt delays when sending messages to all US networks over a subset of short codes. We are monitoring the service to ensure a full recovery and we expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Mar 21, 2022 - 19:33 PDT

Update

We are experiencing SMS delivery receipt delays when sending messages to all US networks over 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 21, 2022 - 19:26 PDT

Investigating

Our monitoring systems have detected a potential issue with SMS Delivery Receipts to all US Networks over 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 21, 2022 - 19:18 PDT

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