Grandstream GS-GXP2200EXT Expansion Module for VoIP Phone

The GXP2200EXT is the extension module that can be added to the GXP2140 and GXP2200 Enterprise IP phones. The module includes 20 extension keys and 2 arrow keys for page switching (allowing for 40 lines to be displayed), with a large LCD screen for easy viewing. Add up to 4 modules for a total of 160 extensions. This expansion module supports the traditional call features on each of its programmable buttons. Including BLA (bridged line appearance)/SCA (shared call appearance), BLF (busy lamp field, standard or eventlist), Call Park/Pick-up, Speed Dial, Presence, Intercom, and conference/ transfer/forward.