Huawei MG323 Recording Equipment User Manual


 
HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for the SIM Card
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
182
12 Commands for the SIM Card
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
AT+CRSM=?
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>