Grandstream backlit LCD extension module , for up to 40 lines per module

DescriptionThe GBX20 is an Extension Module that adds functionality, versatility and flexibility to the GRP2615, GRP2624, GRP2650, GRP2670 carrier-grade IP phones as well as and GXV3350 and GXV3450 IP video phones. It features a 272×480 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. An ideal solution for businesses and receptionists managing high call volumes, the GBX20 ensures maximum productivity by efficiently monitoring and dispatching incoming calls.Features  4.3 inch (272×480) TFT color LCD20 per page (each module contains 2 pages, for up to 40 lines per module)Combine up 4 daisy-chained modules for 160 contacts/extensionsBLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and moreGBX20 Show More Show Less