To provide real WML services, you must configure your Web server to serve WML and other WAP file types. Specifically, you must configure it to support the following MIME types and extensions:
Content
MIME type
File extension
WML
text/vnd.wap.wml
wml
WMLScript
text/vnd.wap.wmlscript
wmls
1-bit bitmap image (required only if you will use images in your service)