Siemens Brodersen MC55 AT - Manual (Page 202)

MC55_ATC_V04.00 Page 202 of 475 3/17/06
Confidential / Released
9.7 AT+CCWA Call Waiting
The
AT+CCWA
write command controls the "Call Waiting" supplementary service according to GSM 02.83. Acti-
vation, deactivation and status query are supported. The read command returns the current value of .
Syntax
Unsolicited Result Codes
URC 1
Indication of a call that is currently waiting and can be accepted.
+CCWA: , , , ,
If =1 and the call waiting supplementary service is enabled in the network, URC "
+CCWA
" indicates a wait-
ing call to the TE. It appears while the waiting call is still ringing.
URC 2
Indication of a call that has been waiting.
^SCWA
If =1 and the call waiting supplementary service is enabled in the network, this URC indicates that a wait-
ing call rang when the ME was in online mode during a CSD call, but the calling party hung up before the ME
went back to command mode.
Test Command
AT+CCWA=?
Response(s)
+CCWA:
(list of supported s)
OK
Read Command
AT+CCWA?
Response(s)
+CCWA:
OK
Write Command
AT+CCWA=
[[ ][, ][, ]]
Response(s)
If is not equal 2 and command successful:
OK
If
= 2 and command successful:
+CCWA:
,
[+CCWA: , ]
[+CCWA: ...]
OK
If error is related to ME functionality
+CME ERROR
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge Last
GSM 07.07, GSM 02.04, GSM 02.83,
GSM 03.83, GSM 04.83
% % % % % % ! ! !