Method of providing tariff information for communication network subscribers, particularly mobile-phone users, involves supplying tariff information to subscribers in the region in which they are at present staying

摘要

Mobile communication network users require information concerning the rata or tariff that they will be charged at when making a call locally as well as over a long-distance or at special rate, and to provide this service at the time of the call, depending on the origin and/or destination of a communication link, information about the type of tariff to be expected is provided for the subscriber, .