Grandstream GBX20 Extension Module

Grandstream GBX20 Extension ModuleThe Grandstream GBX20 is an Extension/Attendant Module that adds additional button functionality to the Grandstream GRP2615 IP Phone and GXV3350 IP Video Phone.The GBX20 features a 272x480 LCD display that offers up to 40 contacts per module with support for up to 160 contact s by using 4 modules. The GBX20 supports a wide-range of advanced call features including BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and much more.Best for businesses and receptionists managing high call volumes, the GBX20 ensures maximum productivity by monitoring and dispatching incoming calls with ease.Grandstream GBX20 Features 4.3 inch (272x480) TFT color LCD 20 per page (each module contains 2 pages, for up to 40 lines per module 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 Package Contents: GBX20 Extension