Development of a Voice Funnel System: Design Report
R. D. Rettberg, Chris Wyman, D. Hunt, Mathias Hoffman, P.P. Carvey, Blake J. Hyde, William W. Clark, M. Kraley · 1979
Abstract : This report presents the current design of the Voice Funnel System, a high speed concentrator for packet switched speech and other streams of packetized data. The design is based on a multiprocessor architecture implemented using a novel switching network, the Butterfly Switch.