TIA/EIA TSB-87-2015:1997 (R2002)

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Cellular Digital Packet Data System Specification – Part 2015 Subscriber Identity Module Functional Characteristics

Published By	Publication Date	Number of Pages
TIA	1997	18

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Category: TIA

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Description

Introduction

Part 2010 describes how the Mobile End System (M-ES) consists of
three functional subsystems: a Mobile Application Subsystem (MAS),
a Subscriber Unit (SU) and a Subscriber Identity Module (SIM). A
removable SIM is optional; however, its function must be supported
by all M-ESs.

This Part describes the functional characteristics of the SIM,
the contents of the SIM and the interface between the SIM and the
SU. This recommendation was originally based on those sections of
the GSM specification that defines a Subscriber Identity Module
(SIM), a form of "smart card," for use in the GSM system
[ETSI-GSM-0.2.1.7-V.4.3.1].

It is a requirement that all SIMs are logically and functionally
standardized for all CDPD M-ESs, and it is a requirement that
removable SIMs are electrically and physically standardized for
those CDPD M-ESs that provide this option.

The removable SIM shall contain an active CPU element to provide
access security to the contents of the SIM.

CDPD service may be one of the applications of a multi-service
removable SIM. All specifications of the SIM in this recommendation
refer to the part of the SIM that is specific for CDPD mobile
services.

SIM functions will be updated over time. Forward compatibility
shall be assured with regard to the standardization of the network
interface functions of the SIM via the SU and with regard to the
user-related SIM functions on the SIM-SU interface.

Additional information