SIM300D AT Command Set - Distributed Systems and Networking
SIM300D AT Command Set - Distributed Systems and Networking
SIM300D AT Command Set - Distributed Systems and Networking
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<strong>SIM300D</strong> <strong>AT</strong> <strong>Comm<strong>and</strong></strong> <strong>Set</strong><br />
Confidential SIMCOM<br />
3.2.7 <strong>AT</strong>+CCWA Call Waiting Control<br />
<strong>AT</strong>+CCWA Call Waiting Control<br />
Read <strong>Comm<strong>and</strong></strong><br />
<strong>AT</strong>+CCWA?<br />
Test <strong>Comm<strong>and</strong></strong><br />
<strong>AT</strong>+CCWA=?<br />
Write <strong>Comm<strong>and</strong></strong><br />
<strong>AT</strong>+CCWA=[<br />
]<br />
[,[,]]]<br />
Response<br />
+CCWA: OK<br />
Response<br />
+CCWA: (list of supported s) OK<br />
Response<br />
TA controls the Call Waiting supplementary service. Activation,<br />
deactivation <strong>and</strong> status query are supported.<br />
If there is a network error:<br />
+CCWA: 0, 0<br />
If 2 <strong>and</strong> comm<strong>and</strong> successful<br />
OK<br />
If =2 <strong>and</strong> comm<strong>and</strong> successful<br />
+CCWA:,[+CCWA:,[...]] OK<br />
Note :< status>=0 should be returned only if service is not active for any<br />
i.e. +CCWA: 0, 7 will be returned in this case.<br />
When mode=2, all active call waiting classes will be reported. In this mode<br />
the comm<strong>and</strong> is abort able by pressing any key.<br />
If error is related to ME functionality:<br />
+CME ERROR: <br />
Parameter<br />
0 disable presentation of an unsolicited result code<br />
<strong>SIM300D</strong>_<strong>AT</strong>_V1.00 Page 41 of 180<br />
1 enable presentation of an unsolicited result code<br />
when parameter not given, network is not<br />
interrogated<br />
0 disable<br />
1 enable<br />
2 query status<br />
is a sum of integers each representing a class of information<br />
1 voice (telephony)<br />
2 data (bearer service)<br />
4 fax (teleservice)<br />
7 default(equals to all classes)<br />
0 not active<br />
Unsolicited result code<br />
1 enable<br />
When the presentation Call Waiting at the TA is enabled (<strong>and</strong> Call Waiting<br />
is enabled) <strong>and</strong> a terminating call set up has attempted during an established<br />
call, an unsolicited result code is returned:<br />
+CCWA: ,,[,]<br />
Parameter<br />
string type phone number of calling address in format
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