AFAIK, no. What are you doing in the phase listener? I can try to help you through, but you'll need to post code (I'm traveling atm so can't guarantee a quick response)
See my blog post above, it links to an article that has the code. Or just look here:
Don't sweat it too much, I am pretty sure the current GWTJSF code could be simplified a lot to work with the existing Seam/GWT remoting. It'll just take time.