Unable to receive incoming call using GJTAPI

Hello,

I am currently am unable to receive an incoming call in my JTAPI / GJTAPI
application.  I registered a ConnectionListener with an Address object,
expecting to receive a callback from the connectionAlerting() method upon an
incoming call; however, this callback method is never being invoked.  Does
anyone know why this is happening?

If the following information helps,

-  I am using the Hayes Accura External V.92 Voice/Faxmodem (the one for
which GJTAPI supports), running off COM 1

-  I am using JTAPI 1.3 and GJTAPI 1.7

-  modem.props contains properties:
     Serial = COM1
     Address1 = 16177985423
-  (the Terminal object's name is "COM1" and the Address object's name is
"16177985423")

-  placing an outgoing call works fine;  I can use the Provider's
createCall() method to create a Call object, then use its connect() method
to call outside lines successfully.  No problems.

-  the actual modem detects the incoming signal; when I call the number, the
AA (auto answer) modem light starts to flash.

-  this problem occurs regardless of whether I place calls from a wireless
cell phone or a separate land land (I don't think this should matter, but I
thought I would mention it anyways)

-  the application can properly locate the GTAPI JtapiPeer and Provider
implementations

-  the application does not throw any exceptions

-  although the Address object currently uses a ConnectionListener, I have
the same problem if I register a CallListener or a CallObserver

-  below is the code that should handle the incoming calls:

try {
  JtapiPeer peer = JtapiPeerFactory.getJtapiPeer(
     "net.sourceforge.gjtapi.GenericJtapiPeer" );

  Provider provider = peer.getProvider(
     "net.sourceforge.gjtapi.raw.modem.ModemProvider" );

  Address address = provider.getAddress( "16177985423" );
  address.addCallListener( new ConnectionListenerImpl() );
}
catch ( Exception exception ) {
   exception.printStackTrace();
}

...

public class ConnectionListenerImpl implements ConnectionListener {
   public void connectionAlerting(ConnectionEvent arg0) {
      System.err.println( "I should see this text when I call, but the
method is never invoked." );
   }

   // ... other ConnectionListener functions, none of which are invoked ....
}


Any help would be appreciated.

Thanks,

  - Jon

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