Card-based charging system for access to Internet services has covered code number which is input to pay for service

摘要

The customer buys access at a certain value, which may correspond to a usage period of a certain service, by purchasing a card at a newsagent's or filling station etc. The card may include the card number, which is covered prior to purchase, the usage value, and the available services or service providers. When a chargeable service is used, the code number (2) is input to provide payment for the service.