Harold Klett

Dialogic Corp is a leading provider of world-class, innovative technologies based on open standards that enable innovative mobile, video, IP, and TDM solutions for Network Service Providers and Enterprise Communication Networks. Dialogic's customers and partners rely on its leading-edge, flexible components to rapidly deploy value-added solutions around the world

Lucent Technologies used to design, develop and manufacture telecommunications systems, software and products. The company was headquartered in Welwyn Garden City, UK.

Excel Switching Corp develops and provides modular, multi-service platform that can be transitioned from TDM to an all-IP network. Solutions provided by the company reduces development costs by eliminating the need to develop separate solutions for each network or protocol environment. The company is located in Hyannis, MA.