GrandStream Additional key expansion module GBX20 for the phone GRP2615, GRP2624, GXV3350

GBX20 is a expandable module with illuminated LCD display for IP telephones GRP2615, GRP2624, GRP2650, GRP2670, GXV3350 and GXV3450. The module contains 20 two-color keys and 2 keys with arrows on prepínanie pages. Well, for each GBX20 you can have up to 40 contacts/BLF (see the online link). When connecting up to 4 GBX20 modules with compatible Grandstream phones, you get a total of up to 160 contacts/BLF. It is equipped with an LCD display with resolution 272x480, which offers up to 40 contacts per module. GBX20 supports a wide range of advanced functions, including BLF, parking and call pickup, speed dialing, presence, intercom, press/prep for voice conferences and many others. hovorov.
Hlavné funktion GBX20:
4,3-palcový (272 x 480) color TFT display
20 pages (module allows 2 pages, up to 40 BLF/rýchlych volieb na modul)
The possibility of prepojenia up to 4 modules, which represents up to 160 options added to the phone
BLF, parking a prevzatie call, quick dialing, presence, intercom, presmerovanie / prepájanie hlasových konferencií a mnogo elsého