GRANDSTREAM EXTENSION MODULES
The GXP2200EXT pairs with our GXP2140, GXP2170, and GXV3240. The GBX20 extension module pairs with the GRP2615, GRP2624, GRP2650, GRP2670 IP phones as well as and GXV3350 and GXV3450 IP video phones.
Extension Modules
The GXP2200EXT pairs with our GXP2140, GXP2170, and GXV3240. The GBX20 extension module pairs with the GRP2615, GRP2624, GRP2650, GRP2670 IP phones as well as and GXV3350 and GXV3450 IP video phones.
