A:AnswerIf the box your ISP gives you has or runs on a battery backup, and provides power through the line to your device, then yes. Otherwise, no power is running to the line, as you're not directly connected to the old powered phone lines anymore.
A:AnswerNot sure on question. If asking about the unit itself, all you need is two screws to fit in the holes on the back of unit.
If asking about hanging the receiver on the unit, you need to go to base and remove numbers sheet and you will find a clip on top and set it to use for hanging. (it will have a piece sticking up). Hope this helps.
A:AnswerI easily replaced a wall phone with this one. This one has the same holes on the back for the standard wall telephone jack that has been in this house forever.
