A:AnswerHi, I would be guessing if I say it is. I would suggest to speak with the Geek Squad team and let them make the call. If anything goes wrong, you can refer back to them for their recommendations.
A:Answeryes this does work with a different phones just that it does not talk to you like the other ones we have in the house & the writing on there to see who is calling that its so small.