Znalazłem coś takiego:
1.) Disconnect T830 from PC
2.) Install drivers from FSC site on laptop
3.) Launch "ConnectMobility E2C" on T830
--ignore dialogue--
4.) Select "Modem mode".
5.) Change connection type to "USB"
6.) Select "Activate" (left soft key), and wait until it shows "Deactivate"
--ignore dialogue--
7.) Connect T830 to PC
8.) Windows' "Found New Hardware" wizard should appear
9.) Tell it not to go online, and to install automatically
10.) It will install "Fujitsu Siemens Computers - External USB Modem" - you can check this via the "Phone and Modem Options" tab in Control Panel.
11.) Open Control Panel / Network Connections, and select "Create a new connection"
12.) Select "Connect to the Internet", "Manually", "Dial-up" and then enter a name ("T830")
13.) Number should be *99#
14.) Username and password are those of your GPRS/UMTS provider
U mnie działa.