Expansion Modules

The GBX20 is a backlit LCD extension module supported by the GXV3350 and GRP2615.

The GXP2200EXT is the extension module that can be added to the GXP2140, GXP2170, and GXV3240 Enterprise IP phones. The module includes 20 extension keys and 2 arrow keys for page switching (allowing for 40 lines to be displayed), with a large LCD screen for easy viewing. Add up to 4 modules for a total of 160 extensions.