Do I need an Active phone line for Comcast Internet?

My mom switched to land-line phone service through Comcast, but now she only has one working phone jack. How do we restore functionality to the remaining outlets in the house? [This question is a bit long, but if you want to skim it, I think you can...

We have Comcast phone, internet, and cable service. I don't like paying the $7 a month to lease the Arris modem they gave me. I bought a surfboard modem from Best Buy and would like to replace the Arris with that one. The problem is the phone line. Do...

Basically, I don't have a standard phone line. I have something called an ooma which lets me get free phone service through the internet. Therefore, I just have to plug in my cable modem to the ooma then to the router which then goes to my computer....

We want faster internet but we need our phone line for the alarm system..is it possible to have both comcast internet and att phone? if we combine them it would be cheaper then both comcast phone and internet...and att internet is slow, and we are getting...

atnt only offers dsl if u purchase phone line at the same time, so i would need to get comcast (cable internet) and I am gonna use ooma as my VoiP, my question is If i have Cable Internet, how would the ooma scout work when connected to the phone line...

in order to get my money for employment, i need to call in. i need to have a phone that goes through wires, and that is a land line. i heard that comcast phones go through the internet modem. if i use it to call in, will it go through?

My wife and I are some of the few people who still have a house phone line. Well, for the past two weeks or so, we've noticed that every single time it rings, we lose our wireless internet connection. We don't have a desk top, but individual laptops...

I just need a phone line to allow me to receive DSL signal for my $19.99/mo internet service. Comcast can never beat this internet pricing LONG-TERM. That is, more than the 6- or ...show more

I have a land line with AT&T and would like to get a Magic Jack or similar device and cancel my land line service. I have DSL with DSL Extreme and would like to still get the internet through my phone line after I terminate my AT&T account. Is...