Delivery Failures for SMS and MMS Messages to the US T-Mobile Network

Incident Report for Twilio

Resolved

We are no longer experiencing the issue causing delivery failures for SMS and MMS messages to the US T-Mobile network. This incident has been resolved.

Posted Sep 01, 2022 - 17:57 PDT

Monitoring

A fix has been implemented for the issue causing delivery failures for SMS and MMS messages to the US T-Mobile network. We will monitor for full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 01, 2022 - 15:58 PDT

Update

We are experiencing delivery failures for SMS and MMS messages to the US T-Mobile network, for customers who are both using newly created campaigns (created after 8/22) and also who are new to A2P (onboarded since 8/22). 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 01, 2022 - 14:57 PDT

Investigating

Our monitoring systems have detected a potential issue with SMS and MMS A2P message delivery to the US T-Mobile network. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Sep 01, 2022 - 14:40 PDT

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