Extension Modules

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  • GBX 20

    • 4.3 inch (272×480) 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
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