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    Grandstream GBX20 Extension Module for GRP2615 and GXV3350

    • 20 lines per page
    • Each module contains 2 pages for up to 40
    • lines per module & up to 160 with 4 daisychained modules
    • 4.3 inch 272x480 TFT Color LCD
    • Local GUI with animation driven from the host
    • Compatible with GRP2615 and GXV3350
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    Overview
    Specs
    Reviews
    The GBX20 is an Extension Module that adds functionality, versatility and flexibility to Grandstream’s
    GRP2615 Carrier-Grade IP Phone and GXV3350 IP Video Phone. It features a 272x480 LCD display that offers
    up to 40 contacts per module with support for up to 160 contacts 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.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

    • Return for refund until: January 31, 2026
    • Return for replacement until: January 31, 2026
    • This item is covered by Newegg.ca's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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