I am scheduled to switch from Dish Network to Directv on Feb 22. i have been with Dish for 3 years but they refuse to carry the YES Network, and NFL Sunday Ticket. My question is if i have the HD DVR 10-250 and the R15. do you really need a phone line connected at all times. i don't have it on my dish 510 and i still get full dvr functions and the program guide (via the satellite). For the program guide does it come through the phone line TIVO (10-250) R15 or will it come from the satellite. thank you