Learn more about Estech Systems, Inc. (ESI) the business phone systems manufacturer, in this informative video.

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ESI designs and manufactures high-performance phone systems for businesses and organizations. ESI uses advanced technology to design IP and digital communications systems that integrate built-in capabilities, advanced features and highly differentiated applications into flexible products that are easy-to-use use and keep employees productive. ESI has sold over 250,000 business communications systems through hundreds of factory-trained Certified Resellers. Founded in 1987, ESI is a privately held corporation with headquarters in Plano, Texas.

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