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ESI IVX 20 Plus 2 X 4 X 2 Expansion Card (Refurbished, One Year Warranty)

This expansion card adds the capacity for 2 C. O. lines, 4 digital stations and 2 analog stations to the IVX 20 Plus telephone system.

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ESI IVX 20 Plus Phone System (Refurbished, One Year Warranty) | ESI IVX 20 Phone System (Refurbished, One Year Warranty) | ESI IVX 20 Plus 2 X 4 X 2 Expansion Card (Refurbished, One Year Warranty)

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