Leo says while DSL does come over the copper lines, there's no technical reason that he would need to have phone service to have DSL. Having DSL without phone service is called "Dry Loop DSL." Rob will need to talk the provider into offering it.
Greg has created a network for his office, but Time Warner Cable is dragging its feet installing his phones. So, he's been looking into Clear Wi-Max via cell phone. Leo says that it works as long as he has a line of site to the base station.