US PATENT SUBCLASS 379 / 308
.~ Switching apparatus for connecting calling line to operator's position

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

242  DF  CENTRALIZED SWITCHING SYSTEM {15}
308.~ Switching apparatus for connecting calling line to operator's position {1}
309  DF  .~.~> Call distribution or queuing

DEFINITION

Classification: 379/308

Switching apparatus for connecting calling line to operator's position:

(under subclass 242) Subject matter which connects a terminal to an operator's position in response to the presence of a call.