[inquisitor]

If you're lucky they still distingusih between handsets and non-handsets only by the "user agent", by which every browser identifies itself upon each http-request, and not by IMEI. In that case the following "hack" should still work:
Use Firefox, install the "User Agent Switcher" addon and change the "user agent" from the menu to one from a mobile device (such as the iPhone which is preconfigured in the "User Agent Switcher").