Specifications

AT Command Set for L55 Platform 2003-11-21
Copyright  Siemens AG 2003 All Rights Reserved Page 20 of 131
2.3.3.3 AT+CCWA
AT+CCWA Call waiting
Test command
AT+CCWA=?
Response
+CCWA: (list of supported <n>s)
OK/ERROR/+CME ERROR
Parameter
<n>
0
1
disable
enable
Read command
AT+CCWA?
Response
+CCWA: <n>, <m>,<class>,,<cli validity>
OK/ERROR/+CME ERROR
Write command
AT+CCWA=[<n>,[<mode>[,<class>]]]
Parameter
<n>
See Test command
<mode>
0
1
2
Disable
Enable
Query Status
<num> Telephone number
<type> Type of telephone number
<class>
1
2
4
7
8
16
32
64
128
X
Voice
Data
Fax
Default =Voice, Data and Fax
SMS
data circuit sync
data circuit async
dedicated packet access
dedicated PAD access
combination of some of the above classes, e.g. 255 regroups
all classes and 5 regroups Voice and FAX
<CLI validity>
0
1
2
CLI valid
CLI has been withheld
CLI is not available
Response
If <mode>=2 and command is successful
+CCWA: <status>, <class1><CR><LF>+CCWA: ....]
OK/ERROR/+CME ERROR
Parameter
<status>
0 Inactive
1 Active
Unsolicited message
+CCWA:<num>,<type>,<class>,,<cli validity>