ESI IVX S-Class Product Overview page 2

About ESI
ESI (Estech Systems, Inc.) is a privately held corporation based in Plano, Texas. Founded in 1987, ESI
specializes in telephone systems for the small to mid-size business. Since its days as a small start-up,
ESI has enjoyed exceptional stability and growth while maintaining its dedication to small company
values — including the need to take care of the most important part of the equation: your business.
ESI pioneered the all-in-one telephone and voice mail system. The original IVX, introduced in 1996,
represented a radical breakthrough in system design: the inclusion of a full suite of features within a
single integrated telephone design.
Committed to excellence, ESI is an ISO-9001-certified company — assuring that quality is fundamental.
Copyright © 1999–2003 ESI (Estech Systems, Inc.).
Visit ESI on the Web at http://www.esi-estech.com.
IVX is a registered trademark, and Esi-Dex, Integrated Answering Machine, Quick Groups, Quick Moves, Virtual Mailbox Key, Auto
Page, Quick Page and Verbal User Guide are trademarks, of ESI. Other registered trade names mentioned herein are trademarks
of their respective owners. ESI phone systems are protected by U.S. Patent 6,067,349 and 6,252,944, and other patents pending.
Product details are subject to change without notice.