Grandstream GBX20 backlit LCD extension module
- Model: Grandstream GBX20
- Display: 4.3-inch (272x480) TFT color LCD, backlit
- Controls: 20 dual-colored extension keys, 2 arrow keys
- Capacity: 40 contacts/extensions per module, 160 with 4 modules
- Compatibility: GRP2615, GRP2624, GRP2650, GRP2670, GXV3350, GXV3450
- Dimensions: 207 x 117 x 36 mm
- Weight: ~0.36 kg
Overview of GBX20
The GBX20 is an extension module designed to expand the functionality of Grandstream's GRP2615 IP phone and GXV3350 IP Video Phone. Featuring a 272x480 LCD display, the GBX20 provides a powerful, high-performance call control experience, ideal for receptionists, call center agents, and power users who manage high call volumes. With 20 programmable buttons per page and support for up to 40 contacts/extensions, the GBX20 enhances productivity and workflow efficiency.
- 4.3" 272x480 pixel color LCD screen
- 20 programmable BLF/speed-dial keys per page (2 pages for a total of 40 contacts)
- Supports up to 160 contacts by daisy-chaining up to 4 modules
- Compatible with GRP2615 and GXV3350 models
- Ideal for receptionists, executive assistants, and high-volume call handlers
- Dual-color LED indicators for call status
- Easy configuration via the host phone's interface
- Powered and connected through the host phone
- Plug and play—no additional power adapter needed
- High-quality design for professional environments
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