config.put(Bisocket.IS_CALLBACK_SERVER, "true");
Connector callbackConnector = new Connector(locator.getLocatorURI(), config);
callbackConnector.setServerSocketFactory(createServerSocketFactory());
callbackConnector.create();
callbackConnector.addInvocationHandler("sample", new SampleInvocationHandler());
callbackConnector.start();
CallbackHandler callbackHandler = new CallbackHandler();
String callbackHandleObject = "myCallbackHandleObject";
client.addListener(callbackHandler, locator, callbackHandleObject);
solicitCallback("abc");