Mode, Class, Obile – Siemens MC55 User Manual
Page 227: Mc55 at command set
MC55 AT Command Set
9.7 AT+CCWA
s
m
obile
MC55_ATC_V01.05
Page 227 of 469
2/10/04
Confidential / Released
,
,
, ,
=1 and the call waiting supplementary service is enabled in the network, URC "
" 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
=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.
Command Description
The test command returns the list of supported "
"s.
The read command returns the current value of parameter
.
The write command controls the call waiting supplementary service. Activation, deactivation and status query
are supported.
Parameter Description
Switch URCs "
" for call waiting on/off
0
Disable display of URCs "
" and "
1
Enable display of URCs "
Network operation to be performed for Supplementary service call waiting
0
Disable call waiting (disable service)
1
Enable call waiting (enable service)
2
Query status of call waiting (query service status)
Integer or sum of integers each representing a class of information, i.e. a bearer service, telecommunication ser-
vice or bearer service group as defined in "GSM 02.04".
In the write command, parameter
specifies the class of the active call during which an incoming call
of any class is to be regarded as a waiting call.
In URC "
:
, ,
", parameter
specifies the class of the waiting call.
1
Voice
2
Data
are supported both by the network and the MS. This means, a setting made for
can assign a different setting to a specific class. For example, you can activate
call waiting for all data classes, but deactivate it for a specific data class.
4
Fax
[7]
Voice, data and fax (1+2+4)
(num)
(num)
(num)