Grand GS-GXP2200EXT Gxp2200 Expansion Module
by GRAND STREAM

• ☆☆☆☆☆
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- Large 128x384 graphic LCD providing feature-rich graphics
- 20 programmable buttons per module
- 2 page switch keys which allows up to 40 extensions per extension module
- Busy Lamp Field (BLF)
- Speed dial for each line
- Daisy-chain 4 modules for up to 160 programmable buttons
- Conference/call transfer/forward/pickup
Use with GXP2140, GXP2170, and GXV3240 phones