INTERNATIONAL MOBILE STATION IDENTITY OF A MOBILE COMMUNICATION SYSTEM AND MOBILE NETWORK IDENTIFYING METHOD USING THE SAME, PARTICULARLY FOR USING IMSI_11_12 IN CONFORMITY TO REGULATIONS OF CDMA2000 AND USING THE IMSI_11_12 AS RATE BILLING INFORMATION ACCORDING TO INTERNATIONAL ROAMING OF A MOBILE STATION

摘要

PURPOSE: An IMSI(International Mobile Station Identity) of a mobile communication system and a mobile network identifying method using the same are provided to recognize which network of which country a mobile station belongs to by matching an IMSI_11_12 to an MNC(Mobile Network Code). CONSTITUTION: A value of certain number of digits is padded to an MSIN(Mobile Station Identifier Number). The 11th and 12th digits(IMSI_11_12) of the number of digits constituting the IMSI of a mobile station are matched to a network identification code. A network to which the mobile station belongs is recognized by reading the 11th and the 12th digit values.