Patent ID: 7424272

Claim:
A foldable portable cellular phone being constructed integrally of a main body with a speech function, a lid body foldable relative to said main body, and a screen to display operational contents, comprising: a telephone information registering unit including a telephone directory memory in which a plurality of different sounds are stored so as to be associated with a corresponding plurality of pre-registered calling parties; a control section to store, in an incoming call history storing area in a storing unit, incoming call history information about an unanswered call that was received while said foldable portable cellular phone was folded; a key operative to provide control signals to said control section to cause said control section to search said incoming call history storing area in said control section and said telephone directory memory and, upon a match resulting from said searching, cause to output one of said plurality of sounds which corresponds to a pre-registered calling party stored in said telephone directory memory, said key being configured to be operated by a called party; wherein, when the unanswered call that was initiated by one of the plurality of pre-registered calling parties was received while said foldable portable cellular phone was folded, one of the plurality of different sounds stored in the telephone directory memory that corresponds to the one of the plurality of pre-registered calling parties that initiated the unanswered call is output through operation of said key, whereby each of a plurality of different calling parties that respectively correspond to respective ones of the plurality of pre-registered calling parties may be identified by each of a plurality of different sounds being output in response to operation of said key.