Chapter 3: AT Commands Reference
June 30, 2008 AT Commands Reference Manual 3-343
Example
AT+CGACT=?
+CGACT: (0,1)
OK
AT+CG ACT ?
+CGACT: 1,0
+CGACT: 2,0
+CGACT: 3,0
OK
AT+CGACT=1
ERROR //GPRS network not present.

Note: In some GPRS networks, +CGACT is not supported. the ATD*99 # command can be

used to establish a connection.

Activating a context can take up to 150 seconds.

Deactivating a context can take up to 40 seconds.

When aborting a +CGACT Set command, the context is closed. This can take up to 40

seconds.

CGPADDR, GPRS ADDResses

This command reads the allocated PDP addresses for the specified context identifiers.

Command
Type Syntax Response/Action Remarks
Set AT+CGPADDR=[<cid
>[,<cid>[,]]] +CGPADDR:<cid>,<P
DP_addr>[<CR><LF>
+CGPADDR:<cid>,<P
DP_addr>[…]]
OK
or:
+CME ERROR:<err
The Set command returns a list of PDP
addresses for the specified context
identifiers.
Read AT+CGPADDR? +CME ERROR:<err> The Read command returns an error.
Test AT+CGPADDR=? +CGPADDR:(list of
defined <cid>s)
OK
or:
+CME ERROR: <err>
The Test command returns the list of
defined <cid>s.