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9.7
AT+CCWA Call Waiting
The
write command controls the "Call Waiting" supplementary service according to GSM 02.83. Acti-
AT+CCWA
vation, deactivation and status query are supported. The read command returns the current value of <n>.
Syntax
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
is not equal 2 and command successful:
<mode>
OK
If <mode>= 2 and command successful:
+CCWA: <status>,
<class>
[+CCWA: <status>, <class>]
[+CCWA: ...]
OK
If error is related to ME functionality
+CME ERROR
Reference(s)
GSM 07.07, GSM 02.04, GSM 02.83,
GSM 03.83, GSM 04.83
Unsolicited Result Codes
URC 1
Indication of a call that is currently waiting and can be accepted.
+CCWA:
<calling
If <n>=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 <n>=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.
MC55_ATC_V04.00
Confidential / Released
number>,
<type of
Page 202 of 475
PIN
ASC0 ASC1
MUX1
%
%
%
%
number>, <class>, ,
MUX2
MUX3 Charge
%
%
!
!
<CLI validity>
Last
!
3/17/06
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