Grandstream 40 Line Expansion Module for VoIP Phone - GRANDSTREAM-2200EXT New

New with Warranty GRANDSTREAM-GXP2200EXT Features: 20 per page (each module contains 2 pages, for up to 40 lines per module) Up to 160 with 4 daisy-chained modules Compatible with GXP2140, GXP2170 and GXV3240 Local GUI with animation driven from the host GXP2140 or GXP3240 phone; Multiple line/call appearances For business or home office use GXP2200EXT delivers additional functionality, versatility and flexibility to Grandstream’s GXP2140 and GXP2170 Enterprise IP Phones and GXV3240 Video IP Phone for Android™. The GXP2200EXT module features a large 128 x 384 graphic LCD and 20 programmable buttons (each with dual color LED). It offers up to 40 extensions per module by using the 2 page switch keys and up to 160 buttons when 4 extension modules are daisy-chained together.This extension module is connected, powered, and controlled by the host phone to provide the benefit of additional extension keys instantly. The GXP2200EXT supports the traditional call features on each of its program