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HUAWEI ME909u-521 LTE LGA Module
Application Guide
ECM Application Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
21
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 the dial-up is successful, the module will establish the DHCP service
automatically.
2. The PC driver will get the dial-up state and send net_ready state to the network
manage.
3. The network manage sends the DHCP service discover.