Quote Originally Posted by mr19 View Post
Late reply. ATA line 1 goes to splitter with one line to phone jack in wall and other to wireless base. Used to have line 1 to jack in wall and line 2 to wireless but then you couldn't pick up call answered on wall phone with wireless and vice versa.
Please remove house wiring from the equation. Leave ATA line direct to phone and advise if issue persists.

Thanks.