we had charer cable for years and in january of this year we got charter phone my dad was paying $80.00 a month for basic home phone from att i talked to my dad about geting charter phone is said well i am afid that the alarm stysem will not work i research on their website and talked to a coulbeof my friends who have charter phone and their alarm stystem work with charter so now we are paying $30.00 dollars now we have hd dvr two we have the five compoint cables it mad a big diffence in the picture sharpness when you live in sc this is the good choce to have as you tv and linternet and phone company every once in a while we lose our serice but it is just a blinks in the cable