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The ESI E2 612 port card is compatible with the second generation (Gen II) ESI IVX E-Class, X-Class, 100, 200, 600, and 1000 phone systems. The card is a 6x12 card, supporting up to an additional 6 phone lines and 12 digital extensions for your ESI system.

ESI 612 Port Card

SKU: 999873511097948
$99.99Price
  • COMPATIBILITY

    • IVX E-Class Gen II
    • ESI 100 Communication Server
    • IVX X-Class