If the alternative Log calls w. frozen time in near future has been selected for the setting Log imported delivery schedules and warnings which you find under the EDI heading under the Sales tab in the Settings procedure, then you have the option to show:
Only calls within frozen time
This alternative will display calls that have been completely removed because they fall within the customer's frozen time.
Only calls within warning interval
This alternative shows all calls that lie within the general warning period for the entire system.