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Command
+CGACT=[<state>
[,<cid>[,<cid>[,…]]]]
Possible response(s)
OK
ERROR
+CGACT?
+CGACT: <cid>, <state>
[<CR><LF>+CGACT: <cid>,
<state>
+CGACT: (list of supported <state>s)
AT +CGACT=?
AT+CGACT=?
+CGATT: (0, 1)
OK
AT+CGACT?
+CGACT: 1,0
+CGACT: 2,0
+CGACT: 3,0
OK
AT+CGACT=1
ERROR
// GPRS network not present .
In some GPRS networks (for example - Germany) +CGACT is not supported.
ATD*99# command can be used to get a connection.
2.60 AT+CGATT, GPRS attach/detach request
Command
AT+CGATT= [<state>]
Possible response(s)
OK
ERROR
AT+CGATT?
+CGATT: <state>
AT+CGATT=?
+CGATT: (list of supported <state>s)
AT+CGATT=?
+CGATT: (0, 1)
OK
AT+CGATT?
+CGATT: 0
OK
g18 Modem Integration and Application Developers Guide version 2.0 Page 172