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.