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1. AT Commands For Open/Close Network

 

 

No Command Description
L1804 AT+CNETSTART Open network
L1805 AT+CNETSTOP Close network
L1806 AT+CNETIPADDR Inquire PDP address

 

 

 

 

L1804   AT+CNETSTART     Open Network

 

R) AT+CNETSTART?

+CNETSTART: <net_stat>

OK

or

ERROR

E) AT+CNETSTART

OK

+CNETSTART: <err>

or

+CNETSTART: <err>

OK

or

+CNETSTART: <err>

ERROR

or

ERROR

  

<net_state>

a numeric parameter that indicates the state of PDP context activation:

0     network close (deactivated)

1     network is opening

2     network open(activated)

3     network is closing

<err> The result of operation, 0 is success, other value is failure.

 

Example

AT+CNETSTART?

+CNETSTART: 0

OK

AT+CNETSTART

OK

+CNETSTART: 0

 

 

 

 

L1805   AT+CNETSTOP     Close Network

 

E) AT+CNETSOP

OK

+CNETSTOP: <err>

or

+CNETSTOP: <err>

OK

or

+CNETSTOP: <err>

ERROR

or

ERROR

  

<err> The result of operation, 0 is success, other value is failure.

 

Example

AT+CNETSTOP

+CNETSTOP: 0

OK

 

 

 

 

L1806   AT+CNETIPADDR     Inquire PDP Address

 

R) AT+CNETIPADDR?

+CNETIPADDR: <ip_address>

OK

or

+CNETIPADDR: <err_info>

ERROR

or

ERROR

 

<ip_address> A string parameter that identifies the IP address of current active socket PDP.
<err_info> A string parameter that displays the cause of occurring error.

 

Example

AT+CNETIPADDR?

+CNETIPADDR: 10.71.155.118

OK

 

 

 

 

 

2. Unsolicited Open/Close Network Command <err> Codes

 

Code of <err> Description
0 Operation succeeded
1 Unknown error
2 Open network failed
3 Close network failed
4 Network not opened
5 Operation not support
6 Busy
7 Network has been opened
8 Network is also in use

 

 

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