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GPRS/EDGE
3-336
AT Commands Reference Manual
December 31, 2007
Example
AT+CGACT=?
+CGACT: (0,1)
OK
AT+CGACT?
+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.
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>[…]]
+CGPADDR:<cid>,<P
DP_addr>[…]]
OK
or:
+CME ERROR:<err
The Set command returns a list of PDP
addresses for the specified context
identifiers.
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.
defined <cid>s.