Patent ID: 6065673
Filing Date: 2000-05-23
Classification: G06F,G06Q,H04M

Abstract:
A method for performing currency conversions, said method comprising the steps of:entering the value of an amount in a first currency in control means of a receiver,retrieving a scaling factor from memory means of said receiver, said scaling factor describing a conversion between at least two different public land mobile network (PLMN) units,converting said amount of said first currency to an equivalent amount of a second currency by said control means adapted to use said scaling factor for the conversion,informing the user of the conversion result by means of a user interface of the receiver, andtransmitting said scaling factor from a local PLMN to a mobile station, wherein said local PLMN analyzes the international mobile subscriber identity (IMSI) of the mobile station to receive required information including a mobile country code (MCC), a mobile network code (MNC) and a mobile subscriber identification number (MSIN) in order to be able to transmit a proper scaling factor to said mobile station.