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About ESI
ESI (Estech Systems, Inc.) is a privately held corporation based in Plano, Texas, in the internationally
known “Telecom Corridor.” 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.
Copyright © 1998–2000 ESI (Estech Systems, Inc.).
Visit ESI on the Web at http://www.esi-estech.com.