Grandstream GBX20 Extension Module for GRP2615 and GXV3350

The Grandstream GBX20 is an Extension Module that adds functionality, versatility and flexibility to Grandstream’s GRP2615, GRP2624, GRP2650, GRP2670, GXV3350 and GXV3450 IP Phones. It 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. An ideal solution for businesses and receptionists managing high call volumes, the GBX20 ensures maximum productivity by efficiently monitoring and dispatching incoming calls.