Patent ID: 8380164

Claim:
A billing system for performing a billing process for an end-point terminal that uses billing authentication information of another mobile communication terminal, the system comprising: a mobile communication network for providing communication between a service server in said billing system and a first end-point terminal through a first mobile communication terminal with said first mobile communication terminal being connected to said first end-point terminal via a first short-range communication network; a second mobile communication terminal connected to the service server through the mobile communication network, for providing the first end-point terminal with its own billing authentication information; the service server connected to both the first and second mobile communication terminals through the mobile communication network, with said service server including a control unit for comparing the billing information received from the first end-point terminal with the billing information received from the second mobile communication terminal and for transmitting to the first end-point terminal billing information contents when a match exists between the billing authentication information from the first end-point terminal and the billing authentication information from the second mobile communication terminal; and a billing server for performing a billing process on the second mobile communication terminal if the service server transmits the contents to the first end-point terminal.