Call Control
3-24 AT Commands Reference Manual June 30, 20 08
The following table shows the +CCWA parameters.

Note: When the parameter <mode> is 2 (Query status), the first parameter is ignored and the

third parameter is always treated as class = 7.
Example
AT+CCWA=1 //Enable call waiting on G24
OK
AT+CCWA=?
+CCWA: (0,1)
OK
AT+CCWA?
+CCWA: 1
Table 3-9:+CCWA Parameters
<Parameter> Description
<n> Enables/disables the call waiting indication to the terminal by the G24.
0 - Disable
1 - Enable
The default is 0.
<mode> Call waiting service request to the network. When the <mode> parameter is not given,
the network is not interrogated.
0 - Disable
1 - Enable
2 - Query status
<class> Sum of integers each representing a class of information.
1 - Voice (telephony)
2 - Data (refers to all bearer services)
4 - Fax (facsimile services)
The default value is 7.
<"number"> Calling line number. The number format is specified by <type>.
<type> Type of address octet in integer format:
145 - Default when the dialing string includes the international access code character
"+".
129 - Default when making a local call.
128 - Type of number is unknown (usually the output when the number itself is
unknown)
<status> Call waiting support by the network (output for <mode>=2).
0 - Not active
1 - Active
<"alpha"> Name of the calling party (if provided by the network or if the number is found in the
G24 phone books).
<CLI validity> 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.