HUAWEI MG323 GSM M2M Module

 

AT Command Interface Specification

Commands for the SIM Card

12 Commands for the SIM Card

This chapter describes the AT commands related to the SIM card.

12.1AT+CRSM - Command for Accessing a SIM Card Through Restricted SIM Access

The AT+CRSM command accesses a SIM card through restricted SIM access.

12.1.1 Checking Whether the +CRSM Command Is Available

Test

AT+CRSM=?

command

 

Function

Checks whether the command exists.

Response

z In case of available command: <CR><LF>OK<CR><LF>

 

z In case of unavailable command: <CR><LF>ERROR<CR><LF>

 

z In case of an error related to the MT: <CR><LF>+CME ERROR:

 

<err><CR><LF>

Issue 02 (2010-11-23)

Huawei Proprietary and Confidential

182

Copyright © Huawei Technologies Co., Ltd.

 

 

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Huawei MG323 manual Commands for the SIM Card, Checking Whether the +CRSM Command Is Available, At+Crsm=?