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 ...

The ESI 250 Smartphone is a high-performance enterprise-grade IP desktop phone that harnesses the power, communications productivity, and flexible ease-of-use of the Android OS.

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 ...

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 ...

Business telephone system maker Estech Systems Inc. could have been a $400 million company by now. Or, it could have been another victim of the telecom bust that hit a few years back.

PLANO, TX - ESI, a leading manufacturer of business telephone systems, has announced that the company will continue to share its good fortune by launching the ESI Sri Lanka Relief Fund, in response to ...

Extended Systems Inc. and Motorola Inc. this week announced plans to bundle ESIs data synchronization software into Motorolas upcoming Linux-powered phone. Motorolas A760, due in Asia in the third ...

ESI launches ESI-Xplorer, Systems Modeling Solution Integrated into its Visual-Environment platform Enabling engineers to manage increasingly complex systems early in the product development ...