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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Identification
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
56
OK
AT+GSN
350050500005492
OK
6.6 AT+CIMI - Command for Querying the IMSI
The AT+CIMI command queries the IMSI of the SIM card.
6.6.1 Checking Whether the Command for Querying the IMSI
Exists
Test
command
AT+CIMI=?
Function
Checks whether the command for querying the IMSI exists.
Response
<CR><LF>OK<CR><LF>
6.6.2 Querying the IMSI
Execution
command
AT+CIMI
Function
Queries the IMSI of the SIM card.
Response
z
In case of successful execution:
<CR><LF><imsi><CR><LF>
<CR><LF>OK<CR><LF>
z
In case of an error related to the MT: <CR><LF>+CME ERROR:
<err><CR><LF>
Parameter description
<imsi>: string, which indicates the IMSI of the SIM card. The IMSI is a string that
consists of decimal numbers ranging from 0 to 9.
Table 6-2 lists the composition of
the IMSI.
Table 6-2 Composition of the IMSI
3 char 2 or 3 char
MCC MNC MSIN