Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – With blocking of normal usage
Patent
1994-08-11
1996-04-09
Hofsass, Jeffery
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
With blocking of normal usage
379257, 379283, 379347, 379390, H04M 124, H04M 160
Patent
active
055068855
ABSTRACT:
A method and apparatus for utilizing DTMF tones and supervisory tones in a call processing system to adjust parameters for future tones and/or speech. The tones initially received are analyzed to determine characteristics such as signal-to-noise ratio, twist, signal level, etc. Processing parameters for future tones and speech are adjusted based upon the characteristics of a first tone.
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Hofsass Jeffery
Kaplan Jeffrey I.
Wolinsky Scott
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