I don't think that you can play an original Xbox game on an Xbox 360 live. But some games from the old xbox you can play on Xbox 360.
I think you can play if you don't have xbox live but if it does not work mod your xbox 360.
You can no longer play original Xbox games on Xbox Live.
Yes, you can play Halo 2 online on the Xbox 360 using Xbox Live.
As long as your xbox 360 is connected to the internet and you have xbox live GOLD membership then yes you can play on xbox live with call of duty
Yes you can. All versions of the xbox 360 are compatible.
i meant uplay
Jtag is a mod for the Xbox 360 which allows you to play downloaded games. You could play xbox live with this but you will get caught and banned (xbox and gamertag ban).
Yes but you can't play it on live.
No, in order to play on Xbox Live over the internet, regardless of ISP, you are required to have an Xbox Live Gold membership, or else you cannot play Xbox nor Xbox 360 games over the internet.
if you have a hard drive you can play the xbox game's
yep