The expansion solution to the GXP-2000 Now you can have your Grand GXP-2000 into a powerful communications center board. Thus, your Internet phone to the optimal solution for reception areas, telephone exchanges or other business solutions, in which a large number of short-elections or functions needed. Simple application The expansion module is a short cable (included) to the GXP-2000 Internet phone connected and controlled by this. Up to 112 freely assignable buttons The new GXP-2000EXT expansion module provides 56 buttons, each with a two-LED next to it. In conjunction with the GXP2000 can additionally each of these buttons individually programmed with a speed-dial documented. Take advantage of the opportunity to add two GXP-2000EXT expansion modules in series to turn, so you have at your GXP-2000 up to 112 freely assignable keys. Free key assignment by firmware update The new firmware update for the Grand GXP-2000, which go directly to the manufacturer (Grand Stream) can relate, it is not only short-elections, but also other functions such as Rufweiterleitung or answer assign the buttons.