ISDN card to call outside office

Hi.

Before to buy a digiun card, I want to know if is posible try with a ISDN card to call outside my office by ISP (Telefonica-Spain).

I have a USROBOTICS SPORTSETER ISDN TA, ISA port.

I plug the card in the ISA port and now I dont Know how I must configure in Trixbox.

I not found a expecific linux driver to my card, then, How can Install it ?

And after that, how configure asterisk ?

All help welcome.

A lot of thanks.

go to the wiki at voip-info.org and search for CAPI. the chances of your hardware being support are pretty slim, but the pages there will give you somewhere to start.