US Toll Free experiencing SMS Non-Delivery to T-Mobile

Incident Report for Twilio

Resolved

Our testing and monitoring have confirmed that delivery of SMS from US Toll Free numbers to T-Mobile subscribers is operating normally.

Posted Jan 31, 2019 - 12:41 PST

Update

We are observing recovery of the delivery issues and will continue monitoring.

Posted Jan 31, 2019 - 11:09 PST

Monitoring

We are continuing to observe delivery issues for some SMS sent from Twilio US Toll-Free numbers towards T-Mobile

Posted Jan 31, 2019 - 03:55 PST

Investigating

T-Mobile is currently carrying out emergency maintenance on their network. We are observing delivery issues for some SMS sent from Twilio US Toll-Free numbers to T-Mobile subscribers.

Maintenance Window:
Start: 10:00 PM PST 1/30/2019
End: 03:00 AM PST 1/31/2019

Posted Jan 30, 2019 - 23:39 PST

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