WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC
Friday 21 May 1999
WAVECOM confidential ©
62
4.7.4
Call waiting
+CCWA
This command allows control of the call waiting supplementary service.
The module supports only one communication. If a call waiting call
happens, the module will disconnect it but with a +CCWA:
<TelNb>,<TonNpi> indication.
Command Syntax:
AT+CCWA=<n>, [ <mode> [, <class> ] ]
Unsolicited message: +CCWA: <number>, <type>
(for incoming call)
* <n>: Result code presentation status in the TA
0
Disable
1
Enable
* <mode>:
0
Disable
1
Enable
2
Query status
* <class>:
1
Voice
2
Data
4
Fax
8
Short Messages
7
All classes
The combination of different classes in not supported, it will only result in
the activation / deactivation / status request of all classes (7).
Application to GSM
AT+CCWA=1,1,1
Enable call waiting for speech
GSM to application
OK
Command valid
Application to GSM
AT+CCWA=1,2
Interrogate call waiting
GSM to application
+CCWA:1,1
OK
Call waiting active for speech calls
Application to GSM
+CCWA: "0146290800",145
Number of the incoming call while already in
communication
incoming call is disconnected without any
notification
Application to GSM
AT+CCWA=1,0,7
erase call waiting for all classes
GSM to application
OK
command valid