The GXP2200EXT is a backlit LCD extension module supported by the GXP2140, GXP2170 and GXV3240. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GXP2200EXT to support up to 40 contacts/extensions.). Connect up to 4 GXP2200EXT modules to compatible Grandstream phones for a total of 160 contacts/extensions.
- 128x384 backlit LCD display
- 20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
- BLF/speed dial
- Daisy-chain up to 4 modules for up to 160 contacts/extensions
- BLF (busy lamp field, standard or eventlist) Call Park/Pick-up, Speed Dial, Presence, Intercom, and conference/ transfer/forward and more
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