SMS Delivery Failures to US T-Mobile Network

Incident Report for Twilio

Resolved

The issue affecting SMS deliveries when sending messages to the T-Mobile network in the United States has been resolved, and the service is functioning normally at this time.

Posted Mar 01, 2022 - 17:00 PST

Monitoring

We are observing recovery in SMS deliveries when sending messages to the T-Mobile network in the United States. We will continue monitoring the service to ensure a full recovery. We will provide another update in 30 minutes or as soon as more information becomes available.

Posted Mar 01, 2022 - 16:33 PST

Update

We are still experiencing SMS delivery failures to the US T-Mobile network for a small subset of Twilio long codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.

Posted Mar 01, 2022 - 00:37 PST

Update

We are still experiencing SMS delivery failures to the US T-Mobile network for a small subset of Twilio long codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

Posted Feb 28, 2022 - 16:38 PST

Update

We are still experiencing SMS delivery failures to the US T-Mobile network for a small subset of Twilio long 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 Feb 28, 2022 - 12:46 PST

Update

We are still experiencing SMS delivery failures to the US T-Mobile network for a small subset of Twilio long 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 Feb 28, 2022 - 10:48 PST

Update

We are experiencing SMS delivery failures to the US T-Mobile network for a small subset of Twilio long 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 Feb 28, 2022 - 09:51 PST

Investigating

Our monitoring systems have detected a potential issue with SMS delivery failures to the US T-Mobile network for a small subset of Twilio long codes. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Feb 28, 2022 - 09:28 PST

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