OK - I just had another look. Not sure what you are doing, but your portal is stiull being rendered in the full style and mobile emulators/devices are probably giving up (it has a huge amount of data)
Edit the adv_portal template in the CMPS group for teh mobile styles and replace the contents with
Code:
<html>
<head>
<title>Redirecting to mobile friendly</title>
<META http-equiv="refresh" content="2;URL=http://URL_TO_FORUM_HOME">
</head>
<body>
<p>
Redirecting to mobile site...
</p>
</body>
</html>
make sure to change the URL in the code above