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7 at+ccwa call waiting, At+ccwa call waiting, At+ccwa – Siemens Brodersen MC55 AT User Manual

Page 202

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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

%

%

%

%

%

%

!

!

!