Description
- A backlit LCD extension module supported by the GRP2615, GRP2624, GRP2650, GRP2670 carrier-grade IP phones as well as and GXV3350 and GXV3450 IP video phones.
- 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GBX20 to support up to 40 contacts/extensions.).
- Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions.
- BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and more.
- 1 Year Manufacturer's Warranty.
Membership includes:
- Ongoing discounts
- VIP sign up available at cart
- Up to 40 % off retail pricing
- Quick delivery to your home, school or office
- Exclusive BOS Promotions
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