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US07240830B2 Layered SIM card and security function 有权
分层SIM卡和安全功能

Layered SIM card and security function
摘要:
A smart card and a smart card and security function system for a mobile terminal for a wireless telecommunications system. The smart card includes a software services component in which software is organized in at least one functional software unit and in a plurality of software layers arranged in order from software layers providing higher level services to software layers providing lower level services, and at least one software module in each software layer. The smart card further includes means for providing access to information and services provided by the smart card.
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