ESI 5000-0419 CS 684 Port Card Communications Server

The ESI CS 684 port card is designed to fit the Communications Servers produced by ESI. Each 684 Port Card (5000-0419) provides 6 analog trunks, 8 digital ports, and four analog ports. ESI CS 684...

ESI CS 612 Port Card Communications Server 5000-0418

The ESI 5000-0418 is an add on module for Communications Servers. The ESI 5000-0418 is a CS 612 port card. The ESI 612 card adds 6 analog CO trunks for PSTN connectivity and 12 digital station ports...

New ESI 15ft Curly Handset Cords Lot of 10

These are brand new replacement coiled curly cords for your ESI Phones. The coiled ESI handset cords are fifteen feet long so you can safely stretch the cord while you work. The ESI handset cords are...

ESI IVX S-Class E-Class Phone System Expansion Cabinet

The ESI Expansion Cabinet for ESI S-Class and E-Class phone systems expands the systems to accept an additional two port cards. The cabinet includes grounding capabilities for connecting your...

ESI 5000-0420 CS D12 PC 12 Port Digital Extension Card

The ESI 5000-0420 is an add on module for ESI Communications Server systems. The module provides 12 digital station ports to add additional digital phones to your system. The module is compatible...

ESI 5000-0589 Presence Management RFID Reader Door Phone

The ESI 5000-0589 is a door phone designed to be used in conjunction with a presence management system. The door phone has a call key designed to allow for door phone operations. A two line...

ESI 5000-0423 CS 6ALC Analog Trunk Card

The ESI CS 6ALC 5000-0423 is a six port analog trunk card designed for your ESI-200, ESI-600 or ESI-1000 phone systems.  Unlike the other ESI cards or modules, this card does not have...

ESI 5000-0424 CS DLC T1/PRI Digital Line Card

The ESI CS 5000-0424 is a digital line card that provides a single T1 or PRI circuit.  Designed for the ESI-200, ESI-600 and ESI-1000 phone systems, this card differs from the others...