SIM5300E AT Command Manual V1.02
<class>
1 Voice (telephony)
2 Data (refers to all bearer services; with <mode>=2 this may
refer only to some bearer service if TA does not support values
16, 32, 64 and 128)
3 Default value(1+2)
4 Fax (facsimile services)
7 All classes
<time> 1..30 When "no reply" is enabled or queried, this gives the time in
seconds to wait before call is forwarded, default value is 20.Supported only if
it is multiples of 5.
<status>
0 Not active
1 Active
Reference
3GPP TS 27.007
3.2.6 AT+CCWA Call Waiting Control
AT+CCWA Call Waiting Control
Test Command
AT+CCWA=?
Response
+CCWA: (list of supported <n>s)
OK
Read Command
AT+CCWA?
Response
+CCWA: <n>
OK
Write Command
AT+CCWA=<n>[,<mode>[,<clas
s>]]
Response
TA controls the Call Waiting supplementary service. Activation, deactivation
and status query are supported.
If <mode>≠2 and Command successful
OK
If <mode>=2 and Command successful
+CCWA: <status>,<class1>
+CCWA: <status>,<class2>
[...]]
OK
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