Siemens MC55 - AT+CCWA Call Waiting

MC55 AT Command Set
9.7 AT+CCWA
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MC55_ATC_V01.05 Page 226 of 469 2/10/04
Confidential / Released
9.7 AT+CCWA Call Waiting
This command controls the "Call Waiting" supplementary service according to GSM 02.83. Activation, deactiva-
tion and status query are supported.
Syntax
Unsolicited Result Codes
URC 1
Indication of a call that is currently waiting and can be accepted.
Test Command
AT+CCWA=?
Response(s)
+CCWA:(list of supported <n>s)
OK
Read Command
AT+CCWA?
Response(s)
+CCWA:<n>
OK
Write Command
AT+CCWA=[[<n>][, <mode>][, <class>]]
Response(s)
if <mode> is not equal 2 and command successful:
OK
if <mode>= 2 and command successful:
+CCWA: <status>, <class>
[+CCWA: <status>, <class> ]
[+CCWA: ...]
OK
If error is related to ME functionality
+CME ERROR
PIN ASC0 ASC1 MUX1 MUX2 MUX3
% % % % % %
Reference(s)
GSM 07.07, GSM 02.04, GSM 02.83,
GSM 03.83, GSM 04.83