Hi guys, I want help of yours i am using sify from 4yrs but i want to change to mtnl if something can happen. My phone line is in Hall & simentaneusly line goes to 2bedrooms and 1bedroom line is not working the pc which i have in kept in my room has no phone connection. I was just thinking that can i install wifi router or something similar to that in hall so that i can get signal from Hall to Room distance would be around 20-30feet no walls in between.Pls tell me how much cost i will incurred if i do this & will it work or not.I hardly have knowledge about wifi system