Do I need to have the phone line hooked up to my HD DVR box for anything other than if I want to order PPV from my remote?? I was told when I ordered that I did not, but just want to be 100% sure. I am going to run an ethernet cable from my router to the HD DVR's as well. I just have a bare DSL line that only allows me toll free calls and incoming calls, so I don't want some monster bill to show if I hook up my phone line.