The U.S. Patent and Trademark Office has awarded ESI, a leading manufacturer of digital and IP-based business telephone systems, a patent for Quality of Service (QoS) in a Voice-over-Internet Protocol ...

PLANO, Texas--(BUSINESS WIRE)--April 7, 2006--ESI, a leading manufacturer of business telephone systems, has announced that 2005 was its 18th straight profitable year of operation. Additionally, ESI ...

PLANO, Texas--(BUSINESS WIRE)--Estech Systems, Inc. (ESI), a provider of business communication solutions that are intuitive, simple to use and uniquely integrated, today announced the release of the ...

PLANO, Texas--(BUSINESS WIRE)--Estech Systems, Inc. (ESI), a provider of business communication solutions that are simple, intuitive and uniquely integrated, today announced that the ESI ePhone7, a ...

Amidst months of allegations from content creators in various niches, YouTube has finally admitted to using AI to enhance videos on its platform. Goldman Sachs says AI will boost productivity, cause a ...

NEW YORK — ESI Cases and Accessories is encouraging consumers to get a whiff of the company's Jelly Belly candy-scented smartphone and accessories cases. Through its new product catalog, the company ...