Preventing misuse of a copied subscriber identity in a mobile communication system

作者: Jyrki Kortesalmi , Tapio Pelto

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摘要: The invention relates to a method and an equipment of preventing the misuse copied subscriber identity in mobile communication system. use (IMSI) is restricted predetermined terminals (MS), each having associated (IMEI) such way that: number allowable identities defined for at least one (IMSI), data base (60) linking said them created; terminal (MS) sends user its dedicated rest system; system compares whether sent sent; as response being sent, permitted, otherwise denied.