关于获取UC浏览器登录手机号失败

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关于获取UC浏览器登录手机号失败5

<%
        String phone = request.getHeader("X-Up-Calling-Line-ID");
        out.println("phone1:"+phone);

        if(phone == null){
                phone = request.getHeader("x-up-calling-line-id");
                out.println("phone2:"+phone);
        }

        if(phone == null){
                phone = request.getHeader("x-up-subno");
                out.println("phone3:"+phone);
        }

        if(phone == null){
                phone = request.getHeader("user-agent");
                out.println("phone3:"+phone);

                StringTokenizer st = new StringTokenizer(phone,";");
                out.println("st.nextToken():"+st.nextToken());
                //得到用户的浏览器名
                String userbrowser = st.nextToken();
                out.println("userbrowser:"+userbrowser);
                //得到用户的操作系统名
                String useros = st.nextToken();
                out.println("useros:"+useros);

        }


                Enumeration headers = request.getHeaderNames() ;
                while(headers.hasMoreElements())
                {
                     String head = (String)headers.nextElement();
                         out.println(head+":"+request.getHeader(head));
                }
                         out.println(headers+"x-up-bear-type:"+request.getHeader("x-up-bear-type"));



        session.setAttribute("userphone",phone);
%>
我用firefox模拟可以拿到手机号....而用手机UC浏览器无法拿到..请问各位大大这是什么原因？？
UC浏览器返回的值phone1:null,phone2:null,phone3:null..firefox返回值:phone1:15360040935 host:118.85.203.41:8081 user-agent:Mozilla/5.0 (Windows:User-Agent-Swticher) accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8,text/vnd.wap.wml;q=0.6 accept-language:zh-cn,zh;q=0.5 accept-encoding:gzip, deflate accept-charset:GB2312,utf-8;q=0.7,*;q=0.7 keep-alive:115 connection:keep-alive cookie:JSESSIONID=0209BB073DCD23EBF2D9AFF24DD6C14E.t2; JSESSIONID=7EC9AA27A1D9DBD742D1E2C7A5B1B46F.t2 x-up-calling-line-id:15360040935 org.apache.tomcat.util.http.NamesEnumerator@61980613x-up-bear-type:null

WAP