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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Contents
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iii
4.6 AT+CMUX - Command for Setting Multiplexing............................................................................. 40
4.6.1 Querying the Supported Settings for Multiplexing................................................................. 40
4.6.2 Reading the Current Settings for Multiplexing....................................................................... 42
4.6.3 Setting Multiplexing ............................................................................................................... 42
5 Commands for Security Control ..............................................................................................43
5.1 AT+CPIN - Command for PIN Management .................................................................................. 43
5.1.1 Checking Whether a PIN Management Command Exists .................................................... 43
5.1.2 Reading the Password Entry Request .................................................................................. 43
5.1.3 Responding to the Password Entry Request ........................................................................ 44
5.1.4 Examples............................................................................................................................... 44
5.2 AT+CLCK - Command for Locking and Unlocking the Device....................................................... 45
5.2.1 Checking the Devices Supported by This Command............................................................ 45
5.2.2 Locking and Unlocking the Device ........................................................................................ 46
5.2.3 Examples............................................................................................................................... 47
5.3 AT+CPWD - Command for Modifying the Password...................................................................... 47
5.3.1 Checking the Devices Supported by This Command............................................................ 48
5.3.2 Modifying the Password ........................................................................................................ 48
5.3.3 Examples............................................................................................................................... 49
6 Commands for Identification ...................................................................................................50
6.1 ATI - Command for Querying the Product Information................................................................... 50
6.1.1 Examples............................................................................................................................... 51
6.2 AT+CGMI/GMI - Command for Querying the Vendor Information ................................................. 51
6.2.1 Checking Whether the Command for Querying the Vendor Information Exists .................... 52
6.2.2 Querying the Vendor Information Request............................................................................ 52
6.2.3 Examples............................................................................................................................... 52
6.3 AT+CGMM/GMM - Command for Querying the Product Model..................................................... 52
6.3.1 Checking Whether the Command for Querying the Product Model Exists ........................... 53
6.3.2 Querying the Product Model Number Request ..................................................................... 53
6.3.3 Examples............................................................................................................................... 53
6.4 AT+CGMR/GMR - Command for Querying the Software Version Number.................................... 54
6.4.1 Checking Whether the Command for Querying the Software Version Number Exists ......... 54
6.4.2 Querying the Software Version Number................................................................................ 54
6.4.3 Examples............................................................................................................................... 54
6.5 AT+CGSN/GSN - Command for Querying the IMEI....................................................................... 55
6.5.1 Checking Whether the Command for Querying the IMEI Exists ........................................... 55
6.5.2 Querying the IMEI.................................................................................................................. 55
6.5.3 Examples............................................................................................................................... 55
6.6 AT+CIMI - Command for Querying the IMSI .................................................................................. 56
6.6.1 Checking Whether the Command for Querying the IMSI Exists ........................................... 56
6.6.2 Querying the IMSI.................................................................................................................. 56
6.6.3 Examples............................................................................................................................... 57