Extension Module – GBX20
The expansion module adds programmable line and BLF keys to compatible Grandstream IP phones, extending call handling capacity for receptionists and power users.
Description
The Grandstream is a sidecar expansion module that attaches to compatible Grandstream IP phones, providing additional programmable keys for speed dial, BLF (busy lamp field), and line management. Receptionists, executive assistants, and call center agents who manage high call volumes benefit from the at-a-glance visibility and one-touch access these extra keys provide.
- Multiple programmable keys with LED indicators for BLF and line status
- Color LCD display for key labels and status information
- Daisy-chainable for even more keys on supported phone models
- Plug-and-play connection to compatible Grandstream IP phones
- Powered through the connected phone, no separate power adapter needed
Add one or more modules to phones at reception desks, front offices, and administrative workstations where quick access to dozens of extensions and lines saves time and improves call handling efficiency.
Additional information
| Display | 4.3 inch |
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