Is setting up of proxy needed for connection?

Question

Hi, I'm trying to establish a dialup connection through the return channel of an emulator. The modem did dial up, but the connection is never established since the ConnectionEstablishedEvent is never received after the modem finishes dialing.
The connection must have hang there although the application is still able to run since connecting is asynchronous. I can�t disconnect it although I can release the resource. When I rerun the application again, the ConnectionFailedEvent is thrown. I�ve to restart the computer or reinstall the modem in order for the computer to detect the modem.
I was thinking this might be due to the fact that I did not put in proxy settings. Does the return channel API allow me to put in both the proxy�s IP address and port number?
Thks to any help offered.
Here is some of the code:
      rcm = RCInterfaceManager.getInstance();     
      interfaces = rcm.getInterfaces();
      if (interfaces[0] instanceof ConnectionRCInterface)
        myInterface = (ConnectionRCInterface)interfaces[0];
          myInterface.reserve(this,null);
          InetAddress[] netAddGrp = new InetAddress[2];        
          InetAddress netAdd = InetAddress.getByName("203.117.33.19");         
          netAddGrp[0] = netAdd;
          netAdd = InetAddress.getByName("203.117.33.18");         
          netAddGrp[1] = netAdd;
           ConnectionParameters myConnectionParameters;         
           myConnectionParameters = new ConnectionParameters("68259777",canbeen","123", netAddGrp);
          myInterface.setTarget(myConnectionParameters);
          myInterface.connect();
   }

Answer 1

I've solve the problem. It either lies with the emulator or that the emulator is incompatible with my Windows 2000. When I tried my code with Xletview, it works perfectly.