US PATENT SUBCLASS 379 / 272
.~.~.~.~ Path selection or routing

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

242  DF  CENTRALIZED SWITCHING SYSTEM {15}
258  DF  .~ Switching controlled in response to called station addressing signal {9}
268  DF  .~.~ Having shared or common switching control {8}
271  DF  .~.~.~ Having multistage switching {2}
272.~.~.~.~ Path selection or routing {3}
273  DF  .~.~.~.~.~> Alternate routing {1}
275  DF  .~.~.~.~.~> Including marking circuit {1}
277  DF  .~.~.~.~.~> With busy or idle test

DEFINITION

Classification: 379/272

Path selection or routing:

(under subclass 271) Subject matter which determines a path configuration through plural switching stage.

SEE OR SEARCH CLASS

340, Communications: Electrical,

826+, for channel selection through a plural stage switching matrix.