SMS and MMS Delivery Delays and Failures to and from AT&T in US via Short Codes and Toll-Free Numbers

Incident Report for Twilio

Resolved

We are no longer experiencing SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes, and SMS delivery delays and MMS delivery failures when sending messages via Toll Free number. This incident has been resolved.

Posted Aug 31, 2022 - 11:03 PDT

Update

We continue observing recovery in SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes, and SMS delivery delays and MMS delivery failures when sending messages via Toll Free 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 Aug 31, 2022 - 08:27 PDT

Monitoring

We are observing recovery in SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes, and SMS delivery delays and MMS delivery failures when sending messages via Toll Free 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 Aug 31, 2022 - 06:12 PDT

Update

We continue to experience SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes and SMS delivery delays and MMS delivery failures when sending messages via Toll Free numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Aug 31, 2022 - 05:49 PDT

Update

Posted Aug 31, 2022 - 05:04 PDT

Update

We continue to experience SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes and SMS delivery delays and MMS delivery failures when sending messages via Toll Free numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Aug 31, 2022 - 00:56 PDT

Update

We continue to experience SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes and SMS delivery delays and MMS delivery failures when sending messages via Toll Free 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 Aug 30, 2022 - 22:49 PDT

Update

We are continuing our investigation and have discovered Verify is affected by SMS and MMS delivery delays when sending messages from and to AT&T network in the US.

Posted Aug 30, 2022 - 21:57 PDT

Update

We are experiencing SMS and MMS delivery delays when sending messages from and to AT&T network in the US via subset of short codes and SMS delivery delays and MMS delivery failures when sending messages via Toll Free 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 Aug 30, 2022 - 21:49 PDT

Investigating

We are experiencing SMS and MMS delivery delays when sending messages to AT&T in US via Toll-Free 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 Aug 30, 2022 - 21:25 PDT

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