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Chapter 3: AT Commands Reference
December 31, 2007
AT Commands Reference Manual
3-335
+CGACT, PDP Context Activate or Deactivate
This command activates/deactivates the specified PDP context(s).
The following table shows the +CGACT parameters.
Command
Type
Syntax
Response/Action
Remarks
Set
AT+CGACT=[<state>
[,<cid>
[,<cid>[,]]]]
[,<cid>[,]]]]
OK
or:
NO CARRIER
or:
+CME ERROR: <err>
The Set command
activates/deactivates the specified PDP
context(s). When the command is
completed, the ME remains in V.25
command state. If any PDP context is
already in the requested state, the state
for that context remains unchanged. If
the requested state for any specified
context cannot be achieved, an
ERROR or +CME ERROR response is
returned. Extended error responses are
enabled by the +CMEE command. If
the ME is not GPRS-attached when the
activation form of the command is
executed, the ME first performs a
GPRS attach and them attempts to
activate the specified contexts. If the
attach fails, the ME responds with an
ERROR or, if extended error responses
are enabled, with the appropriate
failure-to-attach error message.
activates/deactivates the specified PDP
context(s). When the command is
completed, the ME remains in V.25
command state. If any PDP context is
already in the requested state, the state
for that context remains unchanged. If
the requested state for any specified
context cannot be achieved, an
ERROR or +CME ERROR response is
returned. Extended error responses are
enabled by the +CMEE command. If
the ME is not GPRS-attached when the
activation form of the command is
executed, the ME first performs a
GPRS attach and them attempts to
activate the specified contexts. If the
attach fails, the ME responds with an
ERROR or, if extended error responses
are enabled, with the appropriate
failure-to-attach error message.
Read
AT+CGACT?
+CGACT: <cid>,
<state>
<CR><LF>+CGACT:
<cid>, <state>
<CR><LF>+CGACT:
<cid>, <state>
OK
The Read command returns the current
activation states for all the defined
PDP contexts.
activation states for all the defined
PDP contexts.
Test
AT+CGACT=?
+CGACT: (list of
supported <state>s)
OK
OK
or:
+CME ERROR: <err>
The Test command requests
information on the supported PDP
context activation states.
information on the supported PDP
context activation states.
Table 3-221: +CGACT Parameters
<Parameter>
Description
<state>
Indicates the activation state of the context:
0 Non-active
1 Active
0 Non-active
1 Active
<cid>
1-3
A numeric parameter that specifies a particular PDP context definition