The Grandstream GBX20
is an advanced extension module designed to enhance the functionality of compatible Grandstream IP phones. It is ideal for receptionists, call centers, and businesses that handle a high volume of calls.
The module features a 4.3-inch color LCD display and 20 programmable dual-color keys, allowing users to manage calls efficiently. Each module supports up to 40 contacts/extensions (2 pages), and up to 4 modules can be connected together, providing a total of 160 extensions.
The GBX20 supports a wide range of telephony features including BLF (Busy Lamp Field), speed dial, call park/pickup, presence, intercom, and call transfer/forward, making it a powerful tool for monitoring and managing multiple calls simultaneously.
It is compatible with several Grandstream devices such as:
- GRP2615 / GRP2624 / GRP2650 / GRP2670
- GXV3350 / GXV3450
The module connects directly to the host phone and can be powered through it (for single module setups), ensuring easy installation and seamless integration.
Specs
| Feature | Details |
|---|---|
| Brand | Grandstream |
| Model | GBX20 |
| Product Type | Extension Module |
| Display | 4.3” Color LCD (272×480) |
| Programmable Keys | 20 Dual-Color Keys |
| Extensions per Module | Up to 40 |
| Max Extensions | Up to 160 (with 4 modules) |
| Pages | 2 Pages |
| Features | BLF, Speed Dial, Call Park/Pickup, Intercom |
| Compatibility | GRP2615, GRP2624, GRP2650, GRP2670, GXV3350, GXV3450 |
| Connectivity | Via Host Phone |
| Power | From Phone / External PSU (if multiple modules) |
| Application | Reception, Call Center, High Call Volume |
| Color | Black |
Additional information
| Display Type | Color |
|---|---|
| Line Keys | 40 |
| Management Platform | GDMS Networking (Cloud), Local Web GUI |
| Mounting Options | Desktop |
| Phonebook Capacity | 2000 items |
| POE | Support POE |
| Ports | 2 Ports |
| SIP Accounts | 160 Accounts |
