Condition: NewGrandstream GXP-2000EXT Keypad Expansion Module Additional 56 Keys Product Description GXP-2000EXT is a key expansion module for the popular GXP2000 enterprise IP phone. It features 56 buttons (each with dual-color LED) that are fully programmable when used with GXP2000. GXP2000EXT is connected to and controlled by GXP2000 via a short cable that comes with the package. Up to 2 GXP2000EXT modules can be cascaded with GXP2000, essentially allowing up to 112 fully programmable phone extensions.
