| 摘要 |
A mobile radio networks (2) linked with fixed networks (1a, 1b) in each case at least one charge detection station (7) is switched in, over which the charges in the linked networks (1, 2) are detected, and that each subscriber end apparatus (8, 9 and 10, 11, respectively) communicates with an exchange center (5, 6) over a telecommunication connection (12, 13 and 14, respectively) and that for each connection from a subscriber register, which is emplaced for example in the mobile radio network (2), specific data of the subscriber end apparatus (8, 9 and 10, 11, respectively) are asked, which are included in the charge calculation, in which a connection from the fixed network (1) or the mobile radio network (2) which is not covered by a credit is prevented by the means that the transfer of the data to the charge detection station (7) and the demanding of the subscriber data from the data bank occurs already at the requesting of a connection, and that in the case of a lack of credit the build-up of the requested connection is omitted or a connection is established to the Customer Service Center, in which a fixed-network or mobile radio network call number allocated to the subscriber is entered as reference number in a data set. |
