AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
The following table shows the +CCWA parameters.
Table 3-9: +CCWA Parameters
Description
Enables/disables the call waiting indication to the terminal by the H24.
0 - Disable
1 - Enable
The default is 0.
Call waiting service request to the network. When the parameter is not given,
the network is not interrogated.
0 - Disable
1 - Enable
2 - Query status
Sum of integers each representing a class of information.
1 - Voice
2 - Data - refers to all bearer services
4 - Fax
16 - Data circuit sync
32 - Data circuit async
The default value is 255.
Calling line number. The number format is specified by .
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)
Call waiting support by the network (output for =2).
0 - Not active
1 - Active
Name of the calling party (if provided by the network or if the number is found in the
H24 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 is 2 (Query status), the first parameter is ignored and the
third parameter is always treated as class = 7.
Example
AT+CCWA=1
OK
AT+CCWA=?
+CCWA: (0,1)
OK
//Enable call waiting on H24
April 15, 2010 H24 - AT Commands Reference Manual 3-23