Iphone Sync question

Hello All,

I have a question: in our corporate environment, we used Exchange 2003
and Outlook 2003, I need to download iTunes to sync my calendar and
contact to my iPhone, but the iTune related ports are blocked on our
firewall. Is there a way I could sync my iPhone without opening ports
on the firewall, or even without iTune? Any third party app or
suggestion?

Thanks

SIncerely,
Ben