About ESI
ESI (Estech Systems, Inc.) is a privately held corporation based in Plano, Texas. Founded in 1987, ESI designs
and builds innovative telecommunications products for businesses like yours. Because of their powerful
combination of value and features, ESI products are consistently recognized by industry publications and
leaders. In fact, ESI also creates telecommunications products for major companies to market under their well-
known brand names.
IVX is a registered trademark of ESI (Estech Systems, Inc.).
Microsoft is a registered trademark of Microsoft Corporation.
Intel is a registered trademark of Intel Corporation.
Copyright © 1999–2001 ESI.
Visit ESI on the Web at www.esi-estech.com.
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