AC75 AT Command Set
9.7 AT+CCWA s
AC75_ATC_V01.002 Page 237 of 569 10/30/06
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Parameter Description
Switch URCs "+CCWA" and "^SCWA" for call waiting on/off
0 Disable display of URCs "+CCWA" and "^SCWA"
1 Enable display of URCs "+CCWA" and "^SCWA"
Network operation to be performed for Supplementary service call waiting
0 Disable call waiting (disable service)
1 Enable call waiting (enable service)
2 Query status of call waiting (query service status)
Integer or sum of integers each representing a class of information, i.e. a bearer service, telecommunication ser-
vice or bearer service group as defined in "GSM 02.04".
In the write command, parameter <class> specifies the class of the active call during which an incoming call
of any class is to be regarded as a waiting call.
In URC "+CCWA: <calling number>, <type of number>, <class>, , <CLI validity>", parameter
<class> specifies the class of the waiting call.
1Voice
2Data
<class> 2 (data) comprises all those <class> values between 16 and 128, that
are supported both by the network and the MS. This means, a setting made for
<class> 2 applies to all remaining data classes (if supported). In addition, you
can assign a different setting to a specific class. For example, you can activate
call waiting for all data classes, but deactivate it for a specific data class.
4Fax
[7] Voice, data and fax (1+2+4)
16 Data circuit sync
32 Data circuit async
64 Dedicated packet access
128 Dedicated PAD access
1...[7]...255 Combination of some of the above classes. For example, the default setting 7
represents the sum of the integers 1, 2 and 4 (CF for voice, data and fax). The
value 255 covers all classes. If parameter "class"is omitted, the default value 7
is used.
0 Call waiting service is not active
1 Call waiting service is active
Phone number of waiting caller in the format specified by parameter <type of number>.
Type of address octet in integer format (refer to GSM 04.08, subclause 10.5.4.7)
145 <calling number> includes international access code character '+'
<n>(num)
<mode>(num)
<class>(num)
<status>(num)
<calling number>(str)
<type of number>(num)