Portable terminal device, incoming call history display method, and program

An incoming call history display method comprising:

• receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,
• generating caller text information based on at least one of the caller information and the ring type information included in the incoming call signal,
• registering the caller number and the generated caller text information in a telephone dictionary managed in the portable terminal device,
• acquiring, from the telephone dictionary, the registered caller text information corresponding to the caller number, and displaying an incoming call screen including the caller text information,
• associating the caller number which is a source of a call with the caller text information and storing the caller number and the caller text information in incoming call history information, and
• deleting, after the incoming telephone call ends, the registered caller number from the telephone dictionary, and
• acquiring, when an incoming call history including a number of a source of the incoming telephone call and a name of the source of the incoming is displayed, the caller text information from the incoming call history information and displaying the acquired caller text information as a name of the source of a call.

A non-transitory computer readable medium storing a program causing a processor to execute:

• receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,
• generating caller text information based on at least one of the caller information and the ring type information included in the incoming call signal,
• registering the caller number and the generated caller text information in a telephone dictionary managed in the portable terminal device,
• acquiring, from the telephone dictionary the registered caller text information corresponding to the caller number, and displaying an incoming call screen including the caller text information,
• associating the caller number which is a source of a call with the caller text information and storing the caller number and the caller text information in incoming call history information, and
• deleting, after the incoming telephone call ends, the registered caller number from the telephone dictionary, and
• acquiring, when an incoming call history including a number of a source of the incoming telephone call and a name of the source of the incoming is displayed, the caller text information from the incoming call history information and displaying the acquired caller text information as a name of the source of a call.