Description; Defined Values - Huawei EM770W At Command Interface Specification

Command
+CCWA=[<n>[,<mode>[,<class
>]]]
+CCWA?
+CCWA=?

6.2.2 Description

This command allows control of the Call Waiting supplementary service. Activation,
deactivation and status query are supported. <n> used to disable/enable show the
result code presentation status to the TE. The detail please refer to +CCWA.
Test command return the supported value of <n>.

6.2.3 Defined Values

<n> (sets/shows the result code presentation status to the TE):
0
1
<mode> (when <mode> parameter is not given, network is not interrogated):
0
1
2
<classx> is a sum of integers each representing a class of information (default 7):
1
2
bearer service if TA does not support values 16, 32, 64 and 128)
4
8
16 data circuit sync
32 data circuit async
Issue 18 (2009-06-22)
disable
enable
disable
enable
query status
voice (telephony)
data (refers to all bearer services; with <mode>=2 this may refer only to some
fax (facsimile services)
short message service
Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Possible response(s)
When <mode>=2
<CR><LF>+CCWA: <status>,<class1>
[<CR><LF>+CCWA: <status>,<class2>
[...]]<CR><LF><CR><LF>OK<CR><LF>
When <mode>2
<CR><LF>OK<CR><LF>
or
<CR><LF>+CME ERROR: <err><CR><LF>
<CR><LF>+CCWA:
<n><CR><LF><CR><LF>OK<CR><LF>
<CR><LF>+CCWA: (list of supported <n>s)
<CR><LF><CR><LF>OK<CR><LF>
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