Grandstream
Grandstream Expansion Module for GRP2615,GRP2624,GRP2650,GRP2670,GXV3350,GXV3450
Pickup available at NexGen Computing
Usually ready in 24 hours
Supercharge Your Communication Hub
Unlock the full potential of your Grandstream IP phone with the GBX20 Expansion Module, the ultimate solution for managing high call volumes with unparalleled efficiency. Designed for receptionists, executives, and busy professionals, this module transforms your desk phone into a powerful command center. Featuring a vibrant 4.3-inch color LCD display, the GBX20 provides a clear, intuitive interface for all your communication needs.
Expand Your Reach
Effortlessly handle more calls and contacts. The GBX20 adds 20 dual-colored programmable extension keys per page, and with two pages available, you get 40 additional lines per module. For businesses with growing demands, you can daisy-chain up to four modules to access a staggering 160 new contacts and extensions. This scalability ensures that your phone system grows with your business.
Advanced Call Handling at Your Fingertips
The GBX20 supports a wide array of advanced call features to streamline your workflow. Instantly see who is available with Busy Lamp Field (BLF), manage calls with call park/pickup, and connect faster with speed dial. Additional features like presence, intercom, and conference transfer/forward put you in complete control of your communications, ensuring maximum productivity.
Seamless Integration
The GBX20 is designed for plug-and-play simplicity and is compatible with a range of Grandstream's Carrier-Grade IP Phones and IP Video Phones, including the GRP2615, GRP2624, GRP2650, GRP2670, GXV3350, and GXV3450 models. A single module can be powered directly by the host phone; for two or more modules, a dedicated power supply is included to ensure reliable performance.
| Technical Specifications | |
| Display | 4.3 inch (272x480) TFT color LCD |
| Programmable Keys | 20 per page with 2 pages for up to 40 lines/contacts per module |
| Maximum Scalability | Up to 160 contacts/extensions by connecting 4 daisy-chained modules |
| Compatible Grandstream Phones | GRP2615, GRP2624, GRP2650, GRP2670, GXV3350, GXV3450 |
| Supported Features | BLF, call park/pick-up, speed-dial, presence, intercom, voice conferencing, transfer/forward and more |
| Power | A single GBX20 can be powered by the host phone. When 2 or more are connected, an included 12V/1A PSU is required. |
| Firmware Upgrades | Upgraded via direct network download through the host phone's network connection. |
| Physical Dimensions | 210mm x 124mm x 33.5mm |
| Weight | Unit: 360g, Package: 700g |
| Package Contents | GBX20 Extension Module, Base Stand, Extension Board Connector Plate, Screws, USB Cable |
Manufacturer Technical Data
| Product Spec Sheet |
 Download |
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