An advanced voice/data telephone switching system

This paper describes a voice/data circuit-switching system known as the ROLM CBX II. The paper first discusses what the ROLM CBX II family does, describing the most important functions and relating them to popular voice and data applications. The second section describes how the CBX II works, delineating the architecture and giving some details of the system implementation. The final section offers an assessment of what the CBX II and similar products might become in the future.