Grandstream GBX20 Extension Module for GRP2615 and GXV3350 For Sale
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Grandstream GBX20 Extension Module for GRP2615 and GXV3350
Price: US $100.00
Grandstream GBX20 Extension Module for GRP2615 and GXV3350 FREE SHIPPING. The GBX20 is 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. The module includes 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.
