Patent ID: 6606507
Filing Date: 2003-08-12
Classification: H04M

Abstract:
A cordless telephone system comprising:a base unit and a plurality of portable units, each of the base unit and plurality of portable units including a display element for displaying a telephone number of a calling party; and control means for controlling the base unit and the plurality of portable units, wherein each of the plurality of portable units is set to one of a first mode and a second mode; the first mode is a first stored data classification mode; the second mode is a second stored data classification mode; and the control means performs operations: in a case where neither of the base unit and the plurality of portable units responded to an incoming call, display states of the display element of the base unit and of the display elements of the plurality of portable units are respectively set to a first display state; in a case where the base unit responded to the incoming call, display states of the display element of the base unit and of the display element of any portable unit that is set to the first mode are respectively set to a second display state, and a display state of the display element of any of the plurality of portable units that is set to the second mode is set to a third display state; and in a case where one of the plurality of portable units responded to the incoming call, display states of the display element of the base unit, of the display element of the portable unit that responded to the incoming call, and of the display element of any portable unit that is set to the first mode are respectively set to the second display state, and a display state of the display element of any portable unit that is set to the second mode is set to the third display state.