Mobile-station adapted for removable user identity modules

Details Mobile-station adapted for removable user identity modules Mobile-station adapted for removable user identity modules

H - Electricity

04

Q

H04Q 3/78 (2006.01) H04Q 7/32 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2311092

A mobile-station with an integrated user identity module (I-UIM) and a removable user identity module (R-UIM) that adheres to the second generation standard intersystem protocol for validation and authentication is disclosed herein. The I-UIM includes an integrated electronic serial number (I-ESN) and integrate- subscriber/subscription information, whereas the R-UIM includes a removable electronic serial number (R-ESN) and remote-subscriber/subscription information. The mobile-station will transmit either the I-UIM and integrated subscriber/subscription information pair or the R-UIM and remote subscriber/subscription information pair depending on the user of the mobile- station. A registry of I-ESNs paired with integrated-subscriber/subscription information and R- ESNs paired with remote-subscriber/subscription information will be maintained by wireless communications systems and/or authentication centers. Such registry is used to validate and authenticate I-ESN and integrated-subscriber/subscription information pairs, and R-ESN and remote-subscriber/subscription information pairs.

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