ESI IVX DP1 16 Key Display Phone

The ESI IVX DP1 16 Key phone is a digital phone designed by ESI. A legacy phone, these digital phones are designed to work on ESI's older phone systems: the IVX 20, IVX 20 Plus, and IVX 128. The ESI...

ESI IVX 684 PC Expansion Port Card

The ESI IVX 684 PC is an expansion port card designed to fit the ESI IVX E-Class phones systems (first and second generations). The ESI IVX 684 adds the following to your phone system; four analog...

ESI IVX 56S S-Class Gen II 482 Port Card (5000-0294)

The ESI IVX S-Class Gen II 482 expansion card provides additional lines, extensions, and analog extensions to your ESI phone system. The ESI IVX S-Class Gen II 4x8x2 card provides 4 analog lines, 8...

ESI IVX 2nd Gen E2 612 Port Card 5000-0315

This ESI IVX second generation E2 612 port card is designed for the ESI IVX E-Class, X-Class, 100, 200, 600, and 1000 phone systems. The E2 612 supports up to six phone lines and twelve digital...

ESI IVX 20 Plus Phone System Ver 4.9.4 1GB

The ESI IVX 20 Plus phone system is designed to be an affordable small business friendly solution. The IVX 20 Plus system comes with a 1 GB version 4.9.4 flash card that provides both firmware and...

ESI IVX 20 242 Expansion Port Card

The ESI IVX 20 242 is an expansion port card for ESI IVX 20 and IVX 20 Plus phone systems. The ESI IVX 242 EXP card provides two CO lines, four digital extensions ports, and two analog extension...

ESI IVX 128E Phone System Black

IVX E-Class is among the most capable of ESIs IVX family of advanced business telecommunications systems. Although its energy-efficient system cabinet is about the height of an ordinary sheet of...

ESI IVX 012 PC Digital Port Card 5010-0540

The ESI IVX-012 PC card is an expansion port card that provides 12 digital stations to an ESI IVX phone system. The ESI IVX 012 adds up to 12 digital phones (DFP) to your phone system. ESI IVX 012 PC...