In-vehicle telephone device and method for displaying history of outgoing / incoming history in in-vehicle telephone device

摘要

Teachings herein enable evaluation of the temporal order of the call history of a portable communication device and the appropriate display of the call history in a desired order. A telephone number acquisition part acquires the telephone number of an outgoing or incoming call when such a call is performed with a telephone set. A history acquisition part acquires the call history of the telephone set after the call ends, and an order evaluation part evaluates the temporal order of the call history based on the position of the telephone number of the call in the call history. When there is a request for display of the call history of telephone set, a display control part checks the temporal order of the call history and causes the call history to be displayed in the prescribed temporal order on a display.