Name of the calling party (if provided by the network or if the number is found
in the Module phone books).
The Validity of the Calling Line Identity presentation:
0 - CLI valid.
1 - CLI has been withheld by the originator.
2 - CLI is not available due to networking problems or limitations of the
originating network.
Note: When the parameter <mode> is 2 (Query status), the first parameter is ignored and the third
parameter is always treated as class = 1 unless it was set in Set Mode.
Example:
AT+CCWA=1 //Enable call waiting on Module
OK
AT+CCWA=?
+CCWA: (0-1)
OK
AT+CCWA?
+CCWA: 1
OK
Examples of +CCWA set command - network interrogation
AT+CCWA=1,2 //Class parameter is considered as 7
+CCWA: 1,1 //Call waiting is active for class 1, voice
OK
AT+CCWA=1,2,2 //Class parameter is 2
+CCWA: 0,2 //Call waiting is not active for class 2, data
OK
AT+CCWA=1,1
OK //Enable the call waiting feature in the network, and in the Module
Example +CCWA indication
atd9311234567; //Originate a voice call
OK
OK //Voice call connected
(...conversation...)
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