Grandstream GBX20 EXT is an Extension Module that adds functionality, versatility & flexibility to Grandstream’s GRP2615 Carrier-Grade IP Phone as well as GXV3350 IP Video Phone. Features a 272x480 LCD display offering up to 40 contacts per module with support for up to 160 contacts by using 4 daisy chained modules. GBX20 EXT supports a wide-range of advanced call features including BLF, call park/pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward & much more. An ideal solution for businesses & receptionists managing high call volumes. GBX20 EXT ensures maximum productivity by efficiently monitoring & dispatching incoming calls.

Key Features & Benefits:

Compatible with Grandstream's GRP2615 IP Phone & GXV3350 IP Video Phone
4.3 inch (272x480) TFT color LCD display
20 lines per page, each module contains 2 pages, for up to 40 lines per module
Combine up 4 daisy-chained modules for 160 contacts/extensions
BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward & more
2 Year Warranty
Package Contents:

GBX20 EXT
Base stand
Extension Board Connector Plate
Screws
USB cable
Power Adapter (EU PSU) 12V/1A output
Quick Installation Guide