US PATENT SUBCLASS 370 / 385
.~.~.~.~ Having a separate signaling network

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

351  DF  PATHFINDING OR ROUTING {5}
357  DF  .~ Through a circuit switch {4}
360  DF  .~.~ Switching control {8}
384  DF  .~.~.~ Having a supervisory signaling feature {1}
385.~.~.~.~ Having a separate signaling network

DEFINITION

Classification: 370/385

Having a separate signaling network:

(under subclass 384) Subject matter wherein a communication

system distinct from the switching system is provided for the communication of signaling information (i.e. CCITT Signaling System No. 7).

SEE OR SEARCH THIS CLASS, SUBCLASS:

524, for a dedicated signaling channel in general communication via time channels.