| 摘要 |
A data processing system for use in an electronic communication network providing communication services for station (3) connected to the network, comprising computer processing means (4) for processing data, and storage means connected to said computer processing means for storing data on a storage medium, wherein the computer processing means comprises first means for initializing a first parameter with a network service access starting value and a second parameter with a consumption value in the storage means, said values being associated with a first station connected to the network, second means for descreasing the first parameter with an amount corresponding to a certain usage of any of said communication services, and third means for increasing said second parameter with the same amound. |
