Bluetooth wireless optical desktop

i've just been bought the microsoft Bluetooth wireless
optical desktop. My sony ericsson T610 phone has
bluetooth as well. I would like to transfer pcitures
from my phone to my computer via the bluetooth
connection. I am running windows XP, which can see the
phone but all it offers in DUN, and no file trasnfer
option. With my mums PDA, it works fine and i can upload
my pictures, i think she is using windows CE. Is there
any way of doing this on windows XP.

Thanks