US PATENT SUBCLASS 379 / 124
.~.~.~ Pulse counting or accumulating (e.g., "message metering")

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

111  DF  WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) {3}
114  DF  .~ Call charge metering or monitoring {5}
121  DF  .~.~ At central office {4}
124.~.~.~ Pulse counting or accumulating (e.g., "message metering") {3}
125  DF  .~.~.~.~> Local or zone
126  DF  .~.~.~.~> Automatic message accounting {1}
128  DF  .~.~.~.~> Time of day controlled

DEFINITION

Classification: 379/124

Pulse counting or accumulating (e.g., "message metering"):

(under subclass 121) Subject matter wherein the charge determination is made by accumulation of call connection timing pulses.