A:AnswerThe AT&T 6.0 Cordless telephone systems DLP73210/73410/73440/73540 does have functionality for up to 2 Blue Tooth devices including a headset. You can only have 2 paired devices connected to the phone. check https://telephones.att.com/bluetooth - this will provide you with the information.
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A:AnswerMost caller names will display. Although some cell phone calls don't have a name, if they're friends whose number you save in the directory, they will show afterwards.
A:AnswerI guess it depends which cord the doggy chewed up. if it's the main base cord, probably not. If it's one of the other power cords, the rest of the phones should work, and you can probably pick up a replacement cord or call up ATT and ask them to send you one.