Estech Systems, Inc. (ESI) delivers high-performance phone systems and cloud services designed for businesses and organizations. A premier provider of cloud- and premise-based unified communications solutions, ESI offers uniquely innovative and integrated systems that enable its channel partners to deliver differentiated, intuitive and affordable VoIP communications.

At ESI, we understand the desktop and we understand the end user. As a manufacturer, we have the ability to make sure that the systems work with the endpoint device, whether that device is a telephone on a desk or a mobile device in a pocket or bag. Controlling both sides of the purchase, the infrastructure, application and the hardware; we're going to ensure that it is the easies-to-use, most intuitive product available.

We rely exclusively on our channel. We aren’t like those big, national providers that tout their hundreds of reseller partners but make over 50 percent of their revenue from direct sales.

We also understand the importance of a fair contract, one that allows our partners to make a good margin on what they sell.  Take a look at what cloud solutions can do for your business and expand your opportunities to win with ESI.

Founded in 1987, ESI has sold more than 300,000 business communications systems through hundreds of certified resellers. ESI is a privately held corporation with headquarters in Plano, Texas. For more information about ESI and its products, visit

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