T-Mobile SMS Delivery Issues
Incident Report for SecureAuth Service
Resolved
This incident has been resolved
Posted Jun 16, 2020 - 14:05 UTC
Update
Work from T-Mobile engineering team is still ongoing, more information will be provided as it is available to us.
Posted Jun 16, 2020 - 04:56 UTC
Update
We are continuing to investigate this issue.
Posted Jun 16, 2020 - 00:31 UTC
Investigating
We are observing delays in delivery of outbound SMS to the T-Mobile network in the US due to issues with the T-Mobile network. We are actively monitoring T-Mobile and our SMS providers for updates.

Customer impact: End users with T-Mobile may have delays or not receive SMS messages.
Posted Jun 15, 2020 - 20:31 UTC
This incident affected: SecureAuth Titan Services (SMS Service) and SecureAuth Cloud Services (SMS Service - US1, SMS Service - US2).