BILLING DEVICE, METHOD, AND SYSTEM, AND PROGRAM

摘要

In the present invention, communication-related billing and billing related to a service that can be provided to a user are managed in a centralized manner on the basis of user-identifying information. User-identifying information, which identifies a user of a first terminal connected to a communication network of a mobile virtual network operator via a communication network of a first mobile network operator, is specified. Billing related to the communication of the first terminal and billing related to a service that the mobile virtual network operator can provide to the user specified by the user-identifying information are managed on the basis of the user-identifying information.