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 stations, six CO lines and eight phone stations. ESI...

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 digital extensions for ESI phones, and 2 analog ports...

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 extensions. This card is compatible with ESI CS-50 and...

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 voicemail for the phone system. The IVX 20 is compatible...

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 ports. The ESI IVX 242 card can connect analog phones, fax...

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 copier paper, it includes full-featured voice mail, a...

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 Features: Adds 12 Digital Stations Connects to IVX...

ESI IVC 24R Intelligent VoIP Card 5000-0454

The ESI IVC 24R (5000-0454) is an intelligent VoIP card that provides twenty-four VoIP stations for your ESI Communications Servers. This card comes in three different versions, so please note this is the 24R (5000-0454). The ESI IVC 24R (5000-0454)...