Work from T-Mobile engineering team is still ongoing, more information will be provided as it is available to us.
Posted Jun 15, 2020 - 21:56 PDT
Update
We are continuing to investigate this issue.
Posted Jun 15, 2020 - 17:31 PDT
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.