Grandstream GBX20
Key expansion module for VoIP phone
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Main Specification
| Product Description | Grandstream GBX20 - key expansion module for VoIP phone |
|---|---|
| Product Type | Key expansion module |
| Intended For | VoIP phone |
General
| Product Type | Key expansion module |
|---|---|
| Intended For | VoIP phone |
| Display | LCD display - 4.3" - 272 x 480 - backlit |
Key selling points
- 4.3 inch (272x480) TFT color LCD
- Combine up 4 daisy-chained modules for 160 contacts/extensions
- BLF, call park / pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and more
References
MPN: GBX20
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04/06/2026 03:49:21