Commands For The Sim Card; At+Crsm - Command For Accessing A Sim Card Through Restricted Sim Access; Checking Whether The +Crsm Command Is Available - Huawei MG323 At Command Interface Specification

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification
12
This chapter describes the AT commands related to the SIM card.
12.1 AT+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
command
Function
Response
Issue 02 (2010-11-23)

Commands for the SIM Card

AT+CRSM=?
Checks whether the command exists.
In case of available command: <CR><LF>OK<CR><LF>
In case of unavailable command: <CR><LF>ERROR<CR><LF>
In case of an error related to the MT: <CR><LF>+CME ERROR:
<err><CR><LF>
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Commands for the SIM Card
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