Dear Client,

We are retroactively informing you that we have observed spikes in Short Code and Toll-Free MT failures towards T-Mobile US during the times below. The issue looks to have been resolved and we are continuously monitoring if ever it recurs while we are working with the operator to determine what caused it.

Start Time: 2021-02-11 16:02 UTC
End Time: 2021-02-11 18:03 UTC
Impact: Short Code and Toll-Free MT delays/rejects towards T-Mobile US

Please contact support@sinch.com should you require further information or assistance.