Grandstream GBX20 LCD Extension Module – 4.3″ Color Display, 20 Dual-Color Keys
The Grandstream GBX20 is a powerful LCD extension module designed to enhance the functionality of compatible Grandstream IP phones such as the GRP2615 and GXV3350. It provides additional programmable keys and a clear color display, making it ideal for receptionists, call attendants, and professionals who manage high call volumes.
Featuring a 4.3-inch TFT color LCD and dual-colored LED keys, the GBX20 allows users to efficiently monitor, manage, and control multiple lines and contacts. With support for up to 4 daisy-chained modules, it significantly expands call handling capacity and improves productivity in busy business environments.
Key Features
- 4.3″ TFT color LCD: High-resolution 272 × 480 display for clear visibility of contacts and line status.
- 20 programmable keys: Dual-colored LED keys per page for quick access and status indication.
- Up to 40 contacts per module: Two pages per module for expanded functionality.
- Expandable up to 160 contacts: Supports up to 4 daisy-chained modules.
- BLF support: Monitor extension status (busy, idle, ringing) in real-time.
- Call management features: Call park/pick-up, speed dial, intercom, transfer, and forwarding.
- Presence indication: Quickly view user availability.
- Seamless integration: Designed specifically for GRP2615 and GXV3350 IP phones.
- Plug-and-play setup: Easy installation with supported Grandstream devices.
- Efficient workflow: Ideal for reception desks and high-volume call environments.
Specifications
| Display |
4.3-inch TFT color LCD |
| Resolution |
272 × 480 |
| Keys |
20 programmable dual-colored LED keys |
| Pages |
2 pages per module (40 contacts total) |
| Maximum Expansion |
Up to 4 modules (160 contacts/extensions) |
| Supported Devices |
Grandstream GRP2615, GXV3350 |
| Call Features |
BLF, speed dial, call park/pick-up, intercom, call transfer, call forwarding |
| Presence Features |
Busy lamp field (BLF), presence monitoring |
| Conferencing Support |
Voice conferencing control via programmable keys |
| Installation |
Daisy-chain connection to supported IP phones |
| Use Case |
Reception desks, call centers, enterprise communication |
| Compatibility Note |
Only compatible with GRP2615 and GXV3350 models |
| Design |
Compact extension module with desktop mounting |
In the Box
-
- Grandstream GBX20 Extension Module
- Connection Cable
- Stand
Delivery
- Online orders are delivered to a home or business address only.
- Additional transit days may be required for remote areas.
- Delivery times may be impacted by adverse weather conditions.
- Please note that we are unable to ship to PO boxes and parcel lockers.
- Post code delivery restrictions may apply for certain items.
- Public holidays may affect delivery lead times.
Returns
- For change of mind, returns and exceptions to what can be returned.
- Our returns policy for change of mind does not limit any of your rights under Australian Consumer Law.
- Items purchased online can be returned at any of our Australian warehouses.
- Please securely pack the items you intend to return in a box. If you are using the original packaging, be sure to remove the delivery label.
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