ESI Phone Systems

July 13, 2016


Estech Systems, Inc. (ESI) designs, manufactures and markets advanced, highly featured, business communications systems for small and mid-size companies. ESI’s products are sold and supported directly through a carefully selected, nationwide network of factory-trained Resellers. ESI has enjoyed remarkable growth and uninterrupted profitability since its inception in 1987. To date, the company has built and shipped over 350,000 systems. ESI is a privately held corporation headquartered in Plano, Texas.

ESI and its products have been embraced by its customers since it introduced award-winning voice mail and telephone systems to the telecommunications industry more than a decade ago. ESI was the first manufacturer to build a truly “combined” telephone and voice mail system and has numerous patents granted on the unique design and features. ESI is highly regarded for the reliability of its products and for supporting unique, real-world applications that provide practical and effective features. Progressive vision, leading-edge technology, legendary reliability and award-winning products define ESI.