A:AnswerI'm not sure - I had an old T & T phone and I'm not sure that I set this up right so having some problems with it. But I need a land line so I'm working with it.
A:AnswerI cannot answer most of these questions because the booklet that accompanies this set is mostly incomprehensible. One would have to be a psychic to figure out how to program the system. I finally took it out in the back yard and shot it. It was too much of a good thing
A:AnswerI bought this for a 2nd home in FL because when in FL I used my cell and got tired of it not being in the room where my cell is. I only used it for 10 days last month in a condo. I have a similar Panasonic phone at home which I was able to expand. I see no reason why this not expandable. Check Ebay