A flag to indicate whether cItpRouteStateChange
notifications have been suppressed in the current time
interval specified by the cItpRtChangeNotifWindowTime
object.
'true' Indicates that the device has suppressed the sending
of cItpRouteStateChange notifications for the
remainder of the time interval.
'false' Indicates that the device has not suppressed the
sending of cItpRouteStateChange notifications in
the current time interval.