How to connect internet via USB ADLS modem in a linux OS



I have Alcatel Thomson speedtouch 330 USB model modem.I can run Ubuntu Desktop 64 liveUSB flawlessly but I don't know how to set up my internet connection ? I tried to use Network Manager but it didn't work

will my connection be " wired " or "DLS" on connection managers?

Do I have to install a firmware or driver?

there is link on " " explains how to set up my modem but its date about 2005

or which is the best distro for USB modems

can somebody help me thank you so much
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