How do you play DC games on net? can it be free, no call charges, plz read

Ages ago i put in the DREAMKEY v1.5 in that came with the DC, signed up and left it, but i want to play games such as DAYTONA on the net, how do you do it? do backups work on net?

Also im on NTLworld on my pc, its 0800 (free number) dialup, can i play games on DC using Ntl world or anythiong else.

Thanks