Call charges in a telecommunication network

摘要

A method of providing call tariff information to a subscriber coupled to a telecommunications network 1, where the call tariff information relating to a call from a terminal 9 of the subscriber to a B-number 13. The method comprising sending a subscriber initiated call tariff enquiry from the subscriber terminal 9 to the telecommunications network 1 over a signalling channel, the enquiry including at least a part of said B-number or an identification of the B-number. Call tariff information relating to said call is determined at the network 1 and sent from the network 1 to the subscriber terminal 9 over said signalling channel. The call tariff information is then presented to the subscriber on a display 11 of the subscriber terminal 9.