Patent ID: 8620261

Claim:
An information processing system for calculating a communication fee in a particular utilization form among a plurality of utilization forms of an information terminal, said system comprising: an information processing apparatus including a first storage device storing calculation equations for calculating said communication fee corresponding to an identifier of said information terminal regarding first and second subscription courses whose said particular utilization forms are different each other, and storing first subscription information including information on a date and time of starting said first subscription course, and a first control unit; and an information disclosure apparatus connected to said information processing apparatus through a network, including a second storage device storing second subscription information including information that said second subscription course will be selected instead of said first subscription course corresponding to said identifier of said information terminal and a date and time of starting said second subscription course, and a second control unit, wherein said second control unit, upon receipt of a notification that disclosure of said second subscription information is permitted from said information terminal through said network, transmits said second subscription information to said information processing apparatus, said first control unit, upon receipt of said second subscription information from said information disclosure apparatus, stores said second subscription information in said first storage device, said first control unit records a communication amount by a communication in said particular utilization form performed by said information terminal and a communication date and time which indicates a date and time at which said communication has been performed in said first storage device, said first control unit determines whether or not said communication date and time is before said date and time of starting said second subscription course, and calculates said communication fee by using said communication amount and a calculation equation for said first subscription course when said communication date and time is before said date and time of starting said second subscription course, or calculates said communication fee by using said communication amount and a calculation equation for said second subscription course when said communication date and time is at or after said date and time of starting said second subscription course.