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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Security Control
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
47
<passwd>: string, which can be or may not be placed inside quotation marks. This
parameter corresponds to the password of <fac> and can be modified through
+CPWD. When mode is set to 0 or 1, this parameter is mandatory. When mode is
set to 2, no password is required. The characters inside the string must be obtained
from ‘0’–‘9’. Otherwise, an error is returned directly.
<class>: integer, which indicates the service type.
z
1: voice call (not supported currently)
z
2: data
z
4: fax (not supported currently)
z
7: voice+data+fax (not supported currently)
5.2.3 Examples
Example 1:
Lock the SIM card.
AT+CLCK=“SC”,1,“1234”
OK
Example 2:
Unlock the SIM card.
AT+CLCK=“SC”,0,“1234”
OK
Example 3:
Query the locking status of the SIM card.
AT+CLCK=“SC”,2
+CLCK: 0
OK
5.3 AT+CPWD - Command for Modifying the Password
The AT+CPWD command modifies the password.