Use the BindingService. There are lots of messages in the forums on this, and the doc is available for download (it's an extract from the pay docs), on SF. IIRC, HSQL (and I think IIOP) doesn't allow for explicit interface binding, though that maybe fixed now.
All I did was adding a 'Host' attribute in the
In the jboss-services.xml file (under \deploy\jbossweb.sar\META-INF)
That did the trick.