HUAWEI MG323 GSM M2M Module

 

AT Command Interface Specification

Commands for Network Services

Set the automatic network searching mode.

AT+COPS=0In automatic network searching mode, only the <mode> parameter is valid.

OK

Example 3:

Manually register with the network.

AT+COPS=1,2,46000

OK

8.3AT+CREG - Command for Querying Network Registration

The AT+CREG command queries network registration.

8.3.1Checking the Parameter Range Supported by This Command

Test

AT+CREG=?

command

 

Function

Returns the parameter range supported by this command.

Response

z In case of successful execution:

 

<CR><LF>+CREG: (list of supported <n>s)<CR><LF>

 

<CR><LF>OK<CR><LF>

 

z In case of an error during command execution:

 

<CR><LF>ERROR<CR><LF>

 

z In case of an error related to the MT during command execution:

 

<CR><LF>+CME ERROR: <err><CR><LF>

Parameter description

<n>: URC mode

z0 (default value): disables unsolicited reporting of AT+CREG.

z1: enables unsolicited reporting of +CREG: <stat>. When <n>=1, that is, when the status of network registration changes, +CREG:<stat> is reported.

z2: enables unsolicited reporting of +CREG: <stat>[,<lac>,<ci>]. After the AT+CREG READ command is sent previously or is reported unsolicitedly, the values of the <lac> and <ci> parameters do not change, the preceding command is not displayed. During the call, the optional parameters <lac> and <ci> are not displayed. When <n>=2, that is, when the cell information changes, +CREG: <stat>[,<lac>,<ci>] is reported. The location information <lac>,<ci> is reported only when <n>=2.

Issue 02 (2010-11-23)

Huawei Proprietary and Confidential

78

Copyright © Huawei Technologies Co., Ltd.

 

 

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Huawei MG323 AT+CREG Command for Querying Network Registration, Checking the Parameter Range Supported by This Command