RJ11 to Router

[Caher]

Hi all,

I'm trying to figure out the best way to connect my router in my new house. There used to be BSkyB previously and sticking up from the carpet in just the right location I'll put the TV and router, there appears to be a male RJ11 (?) cable. In my last place i used a micro-filter from the master socket but as yet i cannot find this. 

So trying to figure how to connect the broadband.

Thanks

[Devon_Dave]

Who supplies your broadband? 

[Caher]

BT.

[Devon_Dave]

It would be worth a try to see if that Rj11 works. However the previous occupant of the house may have used that for a corded telephone as that also uses rj11