This object specifies the amount of time before the
existing call connections been gracefully shutdown in
the interface when 'cicServiceAdminState'
is set to 'gracefulOutOfService'.
This object is not applicable if 'cicServiceAdminState'
is set to 'forcefulOutOfService'.
The value of 0 specifies that the service on the interface
will not be put outOfService until the call connection over
the interface is terminated.