US PATENT SUBCLASS 379 / 82
.~.~.~.~ Having specified call initiation (e.g., ringing) responsive circuitry

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

67.1  DF  AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS {13}
68  DF  .~ Dynamic audio signal recording or reproduction {4}
70  DF  .~.~ Call intercept or answering {7}
79  DF  .~.~.~ With specified call initiated cycle control circuitry {4}
82.~.~.~.~ Having specified call initiation (e.g., ringing) responsive circuitry

DEFINITION

Classification: 379/82

Having specified call initiation (e.g., ringing) responsive circuitry:

(under subclass 79) Subject matter including a detail of circuitry responsive to a system or component condition related to call alert signalling or start of receipt of call.