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An advanced voice/data telephone switching system

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1 Author(s)
Kasson, J.M. ; ROLM Corporation, 4900 Old Ironsides Drive, Santa Clara, California 95050, USA

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.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:25 ,  Issue: 3.4 )