I had earlier given that link, on 18th Oct 2008 ( not in this forum )
Also posted in WIKI here.
bioticaindia.com/ut300r2u.html
File name: ut300r2u-driver.4.1.3.zip
File size: 773 KB
Not tried. ( No modem or Vista OS)
Para two:
Download the USB driver to say C:/vista modem usb
Then connect USB cable from modem to
Laptop
Restart. let
Windows detect the modem and ask for drivers.
Follow usual procedure.
Message digitally Not approved may appear. Ignore.
then
(a) System MAY CRASH
(b)or driver uploaded !!!
(c)Or Icon "Safely Remove Hardware" can appear
FEEDback.
Unfortunately you cannot download it at that site !