step-by-step (SXS) switching system


step-by-step (SXS) switching system: An automatic dial telephone system in which calls are switched by a succession of switches that move a step at a time, from stage to stage, each step being made in response to the dialing of a number. (188)


This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996