how to get phone information?

Version 1
    This document was generated from CDN thread

    Created by: yiming zhang on 25-09-2009 05:54:02 AM
    hi, all
    when i  try to make an application use the cuad tools. how  can i get the request phone's http head information,or the phone type?
         my application flow as below:
         ongotrequest----> get the http head information or type----> do something  needed  -----> sendrespones.
    best regards