Code source issu de sun pour décoder du DTMF
Source / Exemple :
class DtmfCallObserver implements MediaCallObserver {
/*
- This CallObserver will be notified of Call events. We want to first
- answer the incoming telephone call, and then perform the neccessary
- media actions to perform DTMF.
- /
public void callChangedEvent(CallEv evlist[]) {
for (int i = 0; i < evlist.length; i++) {
CallEv ev = evlist[i];
if (ev instanceof TermConnRingingEv) {
/* Answer the phone. */
TerminalConnection tc = ((TermConnEv)ev).getTerminalConnection();
try {
tc.answer();
} catch (Exception excp) {
// Handle Exceptions
}
}
else if (ev instanceof MediaTermConnAvailableEv) {
/* We want to start DTMF-detection
TerminalConnection tc = (TermConnEv)ev.getTerminalConnection();
MediaTerminalConnection mtc = (MediaTerminalConnection)tc;
try {
mtc.setDtmfDetection(true);
} catch (Exception excp) {
// Handle exceptions
}
}
else if (ev instanceof MediaTermConnUnavailableEv) {
/* Turn off DTMF-detection */
TerminalConnection tc = (TermConnEv)ev.getTerminalConnection();
MediaTerminalConnection mtc = (MediaTerminalConnection)tc;
try {
mtc.setDtmfDetection(false);
} catch (Exception excp) {
// Handle exceptions
}
}
else if (ev instanceof MediaTermConnDtmfEv) {
/* Print out the DTMF digits */
char digit = ((MediaTermConnDtmfEv)ev).getDigit();
System.out.println("detected DTMF: " + digit);
}
}
}
}
public class DtmfCall {
public static final void main(String args[]) {
/*
- Create a provider by first obtaining the default implementation of
- JTAPI and then the default provider of that implementation.
- /
Provider myprovider = null;
try {
JtapiPeer peer = JtapiPeerFactory.getJtapiPeer(null);
myprovider = peer.getProvider(null);
} catch (Exception excp) {
System.out.println("Can't get Provider: " + excp.toString());
System.exit(0);
}
/*
- Locate the Terminal associated with our near end and place a call
- observer on it. This will instruct the implementation to add a call
- observer once a telephone call comes to the Terminal. We are assuming
- Terminals are named after a primary telephone number on that terminal.
- /
Terminal terminal;
try {
terminal = myprovider.getTerminal("4761111");
terminal.addCallObserver(new MachineCallObserver());
} catch (Exception excp) {
// Handle all Exceptions
}
}
}
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