A SYSTEM WHEREIN COSTS OF IDENTIFYING SIM CARDS TO GSM SYSTEMS IS REDUCED

摘要

The present invention relates to a system (1), wherein EIR unit (3), which is the location where the initial IMEI and IMSI controls are performed, is customized by using a device (2) having a SIM card (21), an EIR unit (3), a SIM card personalization center (4), an HLR (5) and CAS systems (6), in order to reduce costs of identifying SIM cards to GSM systems.