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The read command returns the current Packet Domain service state.
The test command is used for requesting information on the supported Packet Domain service states.
AT+CGATT PS Attach or Detach
Execute/Set Command
AT+CGATT=<state>
Read Command
AT+CGATT?
Test Command
AT+CGATT=?
Parameter
<state>
Integer type; indicates the state of PDP context activation. The default value is
manufacturer specific
0
Detached
1
Attached
<err>
Error value
Example
AT+CGATT?
+CGATT:0
OK
AT+CGATT=1
OK
AT+CGATT=?
+CGATT:(0,1)
OK
NOTES
1.
If the initial PDP context is supported, the context with <cid>=0 is automatically defined at startup.
2.
This command has the characteristics of both the V.250 action and parameter commands. Hence it
BC95_AT_Commands_Manual
Response
OK
+CME ERROR:<err>
Response
+CGATT:<state>
OK
Response
+CGATT:(list of supported <state>s)
OK
Confidential / Released
NB-IoT Module Series
BC95 AT Commands Manual
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