Specifications

AT command set for XX Siemens mobile phones and modems
_________________________________________________________________________________________
_________________________________________________________________________________________
Document No.: A30880-A10-A001-XX-
D376
Revision: Master R75
Revision Date: 29. September, 2004
48
2.3.5 Extensions of Hayes Standard commands for GPRS
This chapter describes all the extensions of the Hayes Standard commands for GPRS.
Command Function
ATD*<GPRS_SC>[*[<called_address>] [*[<L2P>][*[<cid>]]]]#
Request GPRS service
<GPRS_SC>
GPRS Service Code a digit string (value 99)
<called_address>
a string that identifies the called party in the
address space
<L2P>
a string which indicates the layer 2 protocol
<cid>
a digit string which specifies a particular PDP
context definition. The cid has to be defined
by using the AT+CGDCONT command
The dial command responds with CONNECT or ERROR
ATD*<GPRS_SC_IP>[*<cid>]#
Request GPRS IP service
<GPRS_SC_IP>
GPRS Service Code a digit string (value 98)
<cid>
a digit string which specifies a particular PDP
context definition. The cid has to be defined by
using the AT+CGDCONT command
The dial command responds with CONNECT or ERROR
ATO Return to on-line data state
ATS0
Automatic answer. The command may be used to turn off (n=0) and on (n>0)
the automatic response to a network request for a PDP context activation.
ATS3 Termination character
ATS4 Response formatting character
ATS5 Command line editing character
ATS7 Wait for carrier after dialing (in seconds).
2.3.6 Commands for GPRS
This section provides the descriptions of commands related to GPRS.
AT+CGACT
AT+CGACT
PDP context activate or deactivate
Test command Response
AT+CGACT=?
+CGACT: (list of supported <state
>s)
OK/ERROR/+CME ERROR
Parameter
<state
>
indicates the state of PDP context activation
0
deactivated
1
activated
Read command Response
AT+CGACT?
+CGACT: <cid
>,<state>[<CR><LF>
+CGACT: <cid
>,<state>...]]
OK/ERROR/+CME ERROR
Parameter
<cid
>
numeric PDP Context Identifier