Sim related commands, 1 at+crsm restricted sim access, At+crsm – Siemens MC55 User Manual

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MC55 AT Command Set

13. SIM related Commands

obile

MC55_ATC_V01.05

Page 356 of 469

2/10/04

Confidential / Released

13.

SIM related Commands

The AT Commands described in this chapter are related to the Subscriber Identity Modul (SIM) connected to the
MC55.

13.1

AT+CRSM Restricted SIM Access

Syntax

Command Description

By using this command the TE has access to Elementary Files on the SIM. Access to the SIM database is
restricted to the commands which are listed at

As response to the command the ME sends the current SIM information parameters and response data. ME error
result code +CME ERROR may be returned if the command cannot be passed to the SIM, e.g. if the SIM is not
inserted. However, errors related to SIM data are reported in

<sw1>

and

<sw2>

parameters as defined in GSM

11.11.

Parameter Description

All values not listed below are reserved; refer GSM 11.11.

176

READ BINARY

Test Command

AT+CRSM=?

Response(s)