Extension module with 4.3" LCD display, up to 40 BLF keys per module (160 with 4 modules), compatible with GRP2615 and GXV3350.
- 4.3" color LCD with 40 contacts per module
- Daisy-chain up to 4 modules (160 contacts)
- BLF, speed-dial, presence & intercom support
- Powered by host phone or included 12V PSU
- Firmware upgraded via host phone connection
- Compact design with base stand included
Grandstream GBX20
Extension Module for GRP2615 & GXV3350
MPN: GBX20Condition: NewExtension module with 4.3" LCD display, up to 40 BLF keys per module (160 with 4 modules), compatible with GRP2615 and GXV3350.
The GBX20 Extension Module expands the capabilities of Grandstream's GRP2615 and GXV3350 IP phones. With a 4.3-inch color LCD display supporting up to 40 contacts per module (20 per page across 2 pages), you can daisy-chain up to 4 modules for 160 total contacts. It supports BLF, call park/pick-up, speed-dial, presence, intercom, conferencing, transfer/forward and more. Ideal for receptionists and teams managing high call volumes, the GBX20 maximizes productivity by streamlining call monitoring and dispatching.
Key Features
Ideal Use Cases
Compatibility & Provisioning
Compatible with Grandstream GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone only. A single module is powered by the host phone. When connecting 2 or more GBX20 modules, use the included 12V/1A power adapter.
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