The Ademco 4285 Vista Interactive Phone (VIP) Module is an add-on accessory that can be used with certain Ademco controls* to provide an interactive phone capability to the security system. This feature will permit access to the security system via any Touch-tone phone (either on premises or by a call-in when away from the premises). (W2) NEW OLD STOCK, IT WAS IN LONG TERM STORAGE, NEVER USED, EVERTHING INCLUDED IS NEW, I JUST DONT HAVE THE BOX- SEE MY PICTURES FOR PROOF Additional Details ------------------------------ Product description: The Ademco 4285 Vista Interactive Phone (VIP) Module is an add-on accessory that can be used with certain Ademco controls* to provide an interactive phone capability to the security system. This feature will permit access to the security system via any Touch-tone phone (either on premises or by a call-in when away from the premises).