HUAWEI MG323 GSM M2M Module

 

AT Command Interface Specification

Commands for Data Services

Parameter description

<stat>: numeric parameter, GPRS registration status.

z0: has not been registered and the ME does not search for a new network currently. The ME is in GMM-NULL or GMM-DEREGISTERED-INITIATED state. The GPRS service is disabled and the subscriber can request the ME to attach to the GPRS.

z1: has been registered with the local network.

z2: has not been registered but the ME is searching for a new network. The ME is in GMM-NULL or GMM-DEREGISTERED-INITIATED state. The GPRS service is enabled but no available PLMN exists. After an available PLMN exists, the ME immediately attaches to the GPRS.

z3: Registration is rejected. The GPRS service is disabled and the ME cannot be attached to the GPRS.

z4: unknown.

z5: has been registered with the roaming network.

9.9.3Setting the Parameters Unsolicitedly Reported When the GPRS Registration Status Changes

Write

AT+CGREG=[<n>]

command

 

Function

Sets the parameters unsolicitedly reported when the GPRS

 

registration status changes.

Response

z In case of successful execution: 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>

Note:

zWhen the ME has been attached to the GPRS, if the PLMN reselects a network that does not support GPRS or a network where the SIM card disables the GPRS application, this command still returns the current status as follows: <stat>=1 or <stat>=5.

zURC: When the GPRS network registration status of the ME changes, the following status is returned:

z+CGREG:<stat>

zIf no parameters of this command are set, AT+CGREG= considers the previously set values valid for various parameters.

9.9.4+CGREG – Command for Reporting Unsolicitedly

URC

<CR><LF>+CGREG: <stat><CR><LF>

Function Indicates that the GPRS network registration status of the ME is changed.

Issue 02 (2010-11-23)

Huawei Proprietary and Confidential

131

Copyright © Huawei Technologies Co., Ltd.

 

 

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Huawei MG323 manual 4 +CGREG Command for Reporting Unsolicitedly, Write