TELEPHONE NUMBER DECIDING METHOD, TELEPHONE NUMBER DECIDING/ORIGINATING METHOD AND MEDIUM RECORDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a telephone number deciding method which can easily obtain a valid communication destination through the use of an information terminal. SOLUTION: The valid communication destination is decided based on inputted opposite party specification information, time information, schedule information and address information, which the information terminal 100 has. The result is reported to a user. Thus, the valid communication destination can easily be obtained only by inputting an opposite party with whom the user is to communicate to the information terminal 100.