The Grandstream GBX20 is a 20-Button Color LCD DSS/BLF expansion module compatible with Grandstream GRP2615 and GXV3350 IP phones. The GBX20 adds up to 40 buttons that can be programmed as busy lamp fields, speed dials, or features like call transfer, door phone access, forward and pickup increasing the users productivity and functionality.
- Compatible with Grandstream IP Phones: GXV3350 & GRP2615
- 20 per page (each module contains 2 pages, for up to 40 lines per module, up to 160 with 4 daisy-chained modules
- 4.3 inch (480x272) TFT color LCD
- Local GUI with animation driven from the host GRP2615 or GXV3350 phone; Multiple line/call appearances
- GBX20 firmware is upgraded by direct network download through host phone (GRP2615 or GXV3350)’s network connection and firmware upgrade setup (GDMS)
- A single GBX20 can be powered by host phone (GRP2615 or GXV3350); when 2 or more GBX20 is connected a 12V PSU is needed.
- GBX20 Extension Board
- Base stand
- Connection Cables
- Power Adapter
- Connector Plate w/screws
These items have been refurbished. Refurbished items have been cleaned, tested, and confirmed to be fully functional. Grade B - Refurbished phones will have moderate blemishes and/or yellowing that cannot be removed through the refurbishing process.
No Hassle Return Policy & PC Certified Guarantee
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
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- Item(s) must be returned within 30 days from invoice date.
- Item(s) must be received in original condition preferably in the same packing materials.
- Item(s) should be securely packed for safe return.
- The purchaser is responsible for all shipping costs and insurance.
- Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
- All products are shipped and delivered on business days.
- Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.