cod4 PC, playable on xbox live

[DirtyD86]

all the dudes i work with play cod4 on xbox live and i want to get in on the love but i have no xbox360. i only have the pc version. is there any possible way to get onto xboxlive through a PC? i remember shadowrun being able to do this, is it possible with cod4?

 

[jjsevdt]

The game has to be made to use Widows Live service. Even then, there are no games as of yet that offer cross-platform play. I think it will be another year or so until games are able to do it,

 

[kobaj]

The game has to be made to use Widows Live service. Even then, there are no games as of yet that offer cross-platform play. I think it will be another year or so until games are able to do it,

i remember shadowrun being able to do this, is it possible with cod4?

I havnt a clue of COD4 can, I know, as dirty said that shadowrun can. I would also like to know the answer of this of COD4 .