Siemens MC35 User Manual
AT Command Set
MC35_ATC_01_V05.00
Page 75 of 256
15.07.2002
4.9 AT+CCWA Call waiting
Test command
AT+CCWA=?
Response
+CCWA: (list of supported <n>s)
OK/ERROR/+CME ERROR
OK/ERROR/+CME ERROR
Parameter
See write command
Read command
AT+CCWA?
Response
+CCWA: <n>
OK/ERROR/+CME ERROR
OK/ERROR/+CME ERROR
Parameter
See write command
Write command
AT+CCWA=
[<n>,[<mode>
[,<class>]]]
[<n>,[<mode>
[,<class>]]]
This command controls the Call Waiting supplementary service according to
GSM 02.83. Activation, deactivation and status query are supported.
GSM 02.83. Activation, deactivation and status query are supported.
Response
If <mode>=2 and command is successful
+CCWA: <status>, <class1><CR><LF>
+CCWA: <status>, <class2><CR><LF>...
OK/ERROR/+CME ERROR
+CCWA: <status>, <class1><CR><LF>
+CCWA: <status>, <class2><CR><LF>...
OK/ERROR/+CME ERROR
Parameters
<n>
Sets/shows the presentation mode of URC in the TA
0 disable
1
enable
<mode>
When <mode> is not given, network is not interrogated.
0
disable
1
enable
2
query
status
<class>
Sum of integers each representing a class of information (de-
fault 7). Specifies the class of the active call.
fault 7). Specifies the class of the active call.
1
voice
2
data
4
fax
7
voice, data and fax (1+2+4)
8
SMS
16
data circuit sync
32
data circuit async
64
dedicated packet access
128 dedicated PAD access
<status> 0
not
active
1
active
Unsolicited Result
Code
Code
If <n>=1 and the Call Waiting service is enabled the following URC indicates a
waiting call to the TE:
+CCWA: <number>,<type>,<class>,,<CLI validity>
waiting call to the TE:
+CCWA: <number>,<type>,<class>,,<CLI validity>