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...

ESI SIP 8 Card Communications Server Trunk Card 5000-0550

The ESI SIP 8 Card is designed for the ESI Communications Servers and offers eight SIP trunk ports. The ESI 5000-0550 Card features dual LAN ports for connectivity as well as a single USB port for...

ESI IVX Gen 1 482 Port Expansion Card 5000-0257

The ESI IVX S-Class 482 is an expansion port card for ESI IVX 42S-Class phone systems and C-Class systems. The ESI IVX 482 EXP card provides four CO lines, eight digital extensions ports, and two...

ESI IVX E2 DLC12 PC T1/PRI 12 Port Station Card

The ESI IVX E2 DLC12 PC T1/PRI card is an add on module for ESI phone systems. The IVX E2 DLC12 PC T1 card provides a T1 or ISDN-PRI interface for connecting a digital circuit along with twelve...

ESI IVX E2 684 PC Expansion Port Card

The ESI IVX E2 684 is an expansion port card that provides an additional four analog stations, six CO phone lines and eight phone stations for your ESI IVX E-Class Gen 2 phone system. The ESI IVX E2...

ESI IVX 128 T1 Card

The ESI IVX 128 T1 Card is for the ESI IVX 128 Phone System ESI IVX 128 T1 Card Features: Provides T1 Connection for IVX 128 System Includes: (1) ESI IVX 128 T1 Card 1 Year Warranty