Patent ID: 6804505
Filing Date: 2004-10-12
Classification: H04M,H04W

Abstract:
A method of determining a total call tariff in respect of a call from a Mobile Station currently registered with a foreign network, the method comprising the steps of:receiving a request to initiate a call connection from said mobile station towards a particular called party number; sending a total call tariff request from a charging function of the foreign network to a rating node of the mobile telephone subscriber's home network, said message including a foreign call tariff portion of the foreign network associated with establishing said call connection and wherein said called party number is further provided to said home network; at the rating node, determining said total call tariff on the basis of the foreign call tariff portion and a home call tariff portion of the home network; receiving the determined total call tariff at the charging function of the foreign network; and applying the received total call tariff on said initiated call connection for said mobile station by said foreign network.