Try putting this to the head of the site
<meta name="HandheldFriendly" content="True">
<meta name="MobileOptimized" content="320">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta content='True' name='HandheldFriendly' />
<meta name="format-detection" content="telephone=no"/>
<meta name="format-detection" content="address=no"/>