Grandstream GBX20 EXT IP Phone Extension Module

Grandstream GBX20 EXT is an Extension Module that adds functionality, versatility & flexibility to Grandstream’s GRP2615, GRP2624 & GRP2650 Carrier-Grade IP Phones as well as to the GXV3350, GXV3450 and GXV3470 IP Video Phones. 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, GRP2624, GRP2650 Carrier-Grade IP Phones as well as with the GXV3350, GXV3450 & GXV3470 IP Video Phones 
• 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

Please Note: The host phone can support up to 4 GBX20 Extension Modules at one time.
Only the first GBX20 Extension Module can be connected, powered and controlled by the host phone. The second, the third and the fourth extension module can only be powered by the 5V-1A power adaptor included in their package.

 PartnerNET Grandstream GBX20 EXT Datasheet