SMS Delivery Delays and Failures to and from AT&T in Mexico

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays and failures when sending and receiving messages to and from AT&T in Mexico via a subset of short codes. This incident has been resolved.

Posted Aug 22, 2023 - 18:37 PDT

Monitoring

We are observing recovery in SMS delivery delays with messages to and from AT&T in Mexico via a subset of 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 Aug 22, 2023 - 16:37 PDT

Update

We are continuing to experience SMS delivery delays and failures when sending and receiving messages to and from AT&T in Mexico via a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hour or as soon as more information becomes available.

Posted Aug 22, 2023 - 14:31 PDT

Update

We are experiencing SMS delivery delays and failures when sending and receiving messages to and from AT&T in Mexico via 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 Aug 22, 2023 - 13:19 PDT

Investigating

Our monitoring systems have detected a potential issue with SMS delivery delays and failures to and from AT&T in Mexico via 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 Aug 22, 2023 - 13:11 PDT

This incident affected: CARRIER NETWORK (SMS, Latin America).