The Grandstream GBX20 is an extension module that adds functionality, versatility and flexibility to Grandstream’s GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone.

Grandstream GBX20 Key Features:

• 4.3 inch TFT color LCD screen
• 20 lines per page (each module contains 2 pages, for up to 40 lines per module)
• Combine up-to 4 daisy-chained modules for 160 contacts/extensions
• BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward

The GBX20 features a 272×480 LCD display that offers up to 40 contacts per module with support for up to 160 contacts by using 4 modules. The extension module 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. The GBX20 is an ideal solution for businesses and receptionists managing high call volumes, the GBX20 ensures maximum productivity by efficiently monitoring and dispatching incoming calls.