HUAWEI ME909u-523 LTE LGA Module
Application Guide
ECM Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
4
ECM Application Scenarios
4.1 ECM Dialing
4.1.1
Reference Process
Command
Description
AT^NDISDUP=?
Check the parameter range supported by
the command.
^NDISDUP: (1-16),(0-1)
OK
AT^NDISDUP=1,1,"1234"
Set up a dial-up connection using the
APN provided by the network server.
OK
^NDISSTAT: 1,,,"IPV4"
The command is successfully executed.
Report the dial-up connection state.
AT^NDISDUP=1,1,"4321","huawei",
"huawei",1
Set up a dial-up connection using the
account, password, and authentication
mode provided by the network server.
OK
^NDISSTAT: 1,,,"IPV4"
The command is successfully executed.
Report the dial-up connection state.
The process of obtaining the IP address:
1. After host application sending AT^NDISDUP command to launch or terminal the
ECM connection, Huawei module will report the ^NDISSTAT command to
indicate the connection state.
2. Host application can get the connection state from ^NDISSTAT report, if the
connection state updated, the host application should to launch the dhcp client to
update the ECM IP address or disable the ECM.