PioneerPOS G24-LC 用户手册

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页码 444
GPRS
3-238
 G24-L AT Commands Reference Manual
April 15, 2008
Note:
This command has the characteristics of both the V.25ter action and parameter 
commands. Therefore, it has the Read form in addition to the Execution/Set and Test 
forms.
The following table shows the +CGATT parameters.
Example
AT+CGATT=? 
+CGATT: (0,1)
OK
AT+CGATT? 
+CGATT: 0
OK
AT+CGATT=0 
OK
+CGPADDR, Show PDP Address
The execution command returns a list of PDP addresses for the specified context identifiers.
Command Type
Syntax
Response/Action
Remarks
Set
AT+CGATT= 
[<state>]
OK
or:
+CME ERROR: <err>
The Set command 
attaches/detaches the 
ME to/from the GPRS 
service.
Read
AT+CGATT?
+CGATT: <state>
OK
or:
+CME ERROR: <err>
The Read command 
returns the current 
GPRS service state.
Test
AT+CGATT=?
+CGATT: (list of supported <state>s)
OK
or:
+CME ERROR: <err>
The Test command 
requests information on 
the supported GPRS 
service states.
Table 3-156: +CGATT Parameters
<Parameter>
Description
<state>
Indicates the state of the GPRS attachment:
0
Detached.
1
Attached.