GXP2110/2120 EXT Expansion Module
	The GXP2120EXT delivers additional functionality, versatility and flexibility to Grandstream’s GXP2120 and GXP2110 enterprise IP phone series. It is the ideal solution for offices that manage high call volumes or an office receptionist. By using the GXP2120EXT the telephone attendant can ensure maximum office productivity by efficiently monitoring and dispatching multiple incoming calls.       56 programmable buttons (each with dual color LED) and up to 112 programmable buttons when two extension modules are daisy chained together        Supports for traditional call features on each of its programmable buttons, including BLF (busy lamp field), conference/call transfer/forward/pick up
Features & Benefits
56 programmable buttons       Busy Lamp Field (BLF)       Speed dial for each line       Daisy-chain 2 modules for 112 programmable buttons       Conference/call transfer/forward/pickup
Feature Specifications
Lines : 56 up to 112 with 2 daisy chained GXP2120 EXT modules       Compatible Grandstream IP Phones : GXP2120 and GXP2110         Feature Support : Local feature-rich GUI with animation driven from the host GXP2120/GXP2110 phone Multiple line/call appearances.       Firmware Upgrades : Delivered by host phone. Host phone must support firmware 1.1.6.44 or higher versions       Cost-effective IP Solution : Small to Medium enterprise office IP Phone