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TC63_ATC_V00.490

Page 308 of 501

5/24/05

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EXAMPLE 1

 

 

Defining and using a Context Definition ID (CID): 

Every time a CID is used as a parameter for a GPRS command the CID has to be defined before by using

 command. To get the parameter of a CID use the 

 read option. If the response

of 'AT+CGDCONT?' is OK only, there is no CID defined. 

All parameters of the CID are initiated by NULL or not present values, and the CID itself is set to be undefined.

To define a CID use the 

 command with at least one CID parameter. At the moment the mobile

supports CID 1 and CID 2 by using the 

 command. 

Define CID 1 and set the PDP type to IP, access point name and IP address are not set: 

Define CID 2 and sets PDP type, APN and IP addr: 

A following read command will respond: 

Set the CID 1 to be undefined: 

A following read command will respond: 

AT+CGDCONT?

OK

There is no CID defined

AT+CGDCONT=1,"IP"

OK

AT+CGDCONT=2,"IP", "internet.t-d1.gprs", 111.222.123.234

OK

AT+CGDCONT?

+CGDCONT:1,"IP","","",0,0

+CGDCONT:2,"IP","internet.t-d1.gprs",111.222.123.234

OK

AT+CGDCONT=1

OK

AT+CGDCONT?

+CGDCONT:2,"IP","internet.t-d1.gprs",111.222.123.234

OK