



Grandstream Console (Expansion Module) GBX20
$128.95 - $153.36
- 4.3 inch (272x480) color LCD
- 40 buttons total (2 pages of 20)
- Combine up 4 daisy-chained modules for 160 contacts/extensions
- Supports BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and more
Warranty
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Product Details
The Grandstream GXB20 is a multi-key console (expansion module) for Grandstream’s GRP IP phone line.
It features a 4.3" (272x480) LCD display, supporting up to 40 contacts per module, and is expandable to 160 contacts with four modules.
The GXB20 offers advanced call features like BLF, call park/pick-up, speed-dial, presence, intercom, voice conferencing, transfer/forward, and more. It's perfect for businesses and receptionists handling high call volumes, ensuring efficient call monitoring and dispatching for maximum productivity.
Lines/Buttons per Module
- 20 per page (each module contains 2 pages, for up to 40 lines per module)
- Up to 160 with 4 daisy-chained modules
Compatible Grandstream IP Phones
- GRP2615
- GRP2624
- GRP2650
- GRP2670
- GXV3350
- GXV3450
Graphic Display
- 4.3 inch (480x272) TFT color LCD
Feature Support
- Local GUI with animation driven from the host GRP2615 or GXV3350 phone
- Multiple line/call appearances
Power
- A single GBX20 can be powered by host phone (GRP2615 or GXV3350)
- When 2 or more GBX20 are connected, an included 12V power supply unit is needed
Firmware Upgrades
- GBX20 firmware is upgraded by direct network download through host phone (GRP2615 or GXV3350)’s network connection and firmware upgrade setup
Physical Dimensions
- Dimension: 210mm x 124mm x 33.5mm
Package Content
- GBX20 Extension Board
- Base stand
- Extension Board Connector Plate
- Screws
- USB cable
- Quick Installation Guide