A:AnswerHello. In order for the cell phone to work with the phone system, it must have Android 4.0 or later, and it must support the Hands-Free Profile (HFP) specification. You can review the cell phones tested for compatibility with the KX-TGD86, on the Panasonic Telephone Cell Phone Compatibility List FAQ. -G
A:AnswerHello! You can check our list here: https://eng-ca.faq.panasonic.com/app/answers/detail/a_id/58315/kw/bluetooth%20compatibility/p/7/c/41481/related/1
A:AnswerHello Don! You cannot transfer the phonebook or phone numbers to a new phone, however, you can copy the phonebook from your cell, to the new phone. For support on this, you can contact the consumer support department at shop.panasonic.com/support
-A