At+Ccwa Call Waiting - Siemens MC35 Command Set

AT Command Set

4.9 AT+CCWA Call waiting

Test command Response
AT+CCWA=? +CCWA: (list of supported <n>s)
OK/ERROR/+CME ERROR
Parameter
See write command
Read command Response
AT+CCWA? +CCWA: <n>
OK/ERROR/+CME ERROR
Parameter
See write command
Write command This command controls the Call Waiting supplementary service according to
GSM 02.83. Activation, deactivation and status query are supported.
AT+CCWA=
[<n>,[<mode>
Response
[,<class>]]]
If <mode>=2 and command is successful
+CCWA: <status>, <class1><CR><LF>
+CCWA: <status>, <class2><CR><LF>...
OK/ERROR/+CME ERROR
Parameters
<n>
<mode>
<class>
<status>
Unsolicited Result If <n>=1 and the Call Waiting service is enabled the following URC indicates a
Code
waiting call to the TE:
+CCWA: <number>,<type>,<class>,,<CLI validity>
MC35_ATC_01_V05.00
Sets/shows the presentation mode of URC in the TA
0 disable
1 enable
When <mode> is not given, network is not interrogated.
0 disable
1 enable
2 query status
Sum of integers each representing a class of information (de-
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
0 not active
1 active
Page 75 of 256 15.07.2002