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 />
an incoming call (incoming call accepts<br />
waiting status), place active call on hold<br />
<strong>and</strong> switch to incoming call. Switch<br />
between both calls, placing each in the<br />
hold state whilst the other is active<br />
before terminating each one. This feature<br />
relies on knowing each call’s ID. This is<br />
done using the List Current<br />
Calls(<strong>AT</strong>+CLCC) comm<strong>and</strong>. A call’s ID<br />
is required to switch between held <strong>and</strong><br />
active calls. Held calls that are not<br />
automatically resumed when all other<br />
calls are terminated. They need to be<br />
made active using the <strong>AT</strong>+CHLD=2x<br />
comm<strong>and</strong>. Note call waiting must have<br />
been previously enabled for this<br />
demonstration to work.<br />
Send busy status to incoming waiting<br />
caller.<br />
Establish a voice call from EVB, receive<br />
an incoming call(incoming call accepts<br />
waiting status), send ‘busy’ status to<br />
waiting mobile. Note call waiting must<br />
have been previously enabled for this<br />
demonstration to work.<br />
Drop all calls on hold.<br />
Establish a voice call from EVB, receive<br />
an incoming call (incoming call accepts<br />
waiting status), switch to incoming call<br />
<strong>and</strong> drop all waiting calls.<br />
Note call waiting must have been<br />
previously enabled for this<br />
demonstration to work.<br />
<br />
<strong>AT</strong>+CHLD=2<br />
<strong>AT</strong>+CHLD=21<br />
<strong>AT</strong>+CCLC<br />
<strong>AT</strong>+CHLD=23<br />
<strong>AT</strong>+CHLD=13<br />
<strong>AT</strong>+CHLD=11<br />
<strong>AT</strong>D6241xxxx;<br />
<br />
<strong>AT</strong>+CHLD=0<br />
<strong>AT</strong>D6241xxxx;<br />
<br />
<strong>AT</strong>+CHLD=2<br />
<strong>AT</strong>+CHLD=0<br />
<strong>SIM300D</strong>_<strong>AT</strong>_V1.00 Page 178 of 180<br />
+CCWA:”1391818<br />
6089”,129,1<br />
OK<br />
<br />
OK<br />
<br />
+CLCC:1,0,0,0,0,”62<br />
418148”,129<br />
+CLCC:3,1,1,0,0,”139<br />
18186089”,129<br />
OK<br />
< note incoming call held<br />
flag set><br />
OK<br />
<br />
OK<br />
<br />
<br />
OK<br />
+CCWA:”1391818<br />
6089”,129,1<br />
OK<br />
OK<br />
<br />
OK<br />
+CCWA:”1391818<br />
6089”,129,1<br />
OK<br />
<br />
OK<br />
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