Grandstream GXP-2020/2010 Keypad 56 programmable buttons per module Busy Lamp Field (BLF) Speed dial for each line Daisy-chain 2 modules for 112 programmable buttons Conference/call transfer/forward/pickup
- UK +44 (0)20 33842274 - FR +33 (0)2 30050149 - BG +359 (0)2 4918587
