US PATENT SUBCLASS 379 / 266
.~.~.~.~ Call queuing

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}
260  DF  .~.~ With operator position or completion of call (e.g., dial "O", semiautomatic) {4}
265  DF  .~.~.~ Call distribution to operator {1}
266.~.~.~.~ Call queuing

DEFINITION

Classification: 379/266

Call queuing:

(under subclass 265) Subject matter which processes a plurality of simultaneous call attempts to a lesser number of operators by holding each of the calls in excess of the number of operators until an operator is available.

SEE OR SEARCH THIS CLASS, SUBCLASS:

309, for call distribution or queuing to an operator absent called number controlled switching.