No Gateway Reply

hi all
i have created an asp & wml combination wap site
using access database and variables,
i.m testing it in emulator everything OK
but, when i testing it in my mobile it isn't working
i.m using nokia 6100 getting an error ( no gateway reply )

used mime types via .htaccess file
addtype text/vnd.wap.wml wml
addtype application/vnd.wap.wmlc wmlc
addtype text/vnd.wap.wmlscript wmls
addtype application/vnd.wap.wmlscriptc wmlsc
addtype image/vnd.wap.wbmp wbmp
to be continued images and applications.......

used header each file
<% Response.ContentType = "text/vnd.wap.wml" %>

<?xml version="1.0" encoding="iso-8859-1" ?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">

what is wrong someone can help me please
i can add here demo address and sample of my code
if you need.

Hi I get the same reply. I tried my site on a few symbian phones and no problem, but on a 6610 or 6100 it says no gateway reply. It worked with a 6230.

Please let me know what I should do.

Thanks

first , sorry my bad english
mimic
i solved this problem
i made a researchig about it and understand ,
most of java enabled phones not support spetial chars.
particularly, ? & = in URL.s

check your code and replace spetial chars. to numeric value
for exemple : ? to ?
you can find ASCII to NUMERIC values in this url
http://www.nationalfinder.com/html/char-asc.htm
or find it on any search engine by ASCII chars

addition:
if default language is not english of your site
<?xml version="1.0" encoding=" iso-8859-1 " ?>
you have to set encoding to your language