Intermittent Call Failures Being Observed

Info: Incident Notice: Intermittent Call Failures Being Observed in ATT Network (Dallas)
Product: GTI Global Mobile-X
Details: We have detected and are investigating call failures on GTIGLOBAL service.
The issue appears to be regional. If you are experiencing this issue, you may take one of these mitigating options
– Go to network Settings – Mobile Settings and Select 3G Only
– Go to Setting Mobile Network Selection and Manually Select T-Mobile Network
We are in contact with partners as the investigation continues.