Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 10 Jan 2003 06:42:17 -0600 | From | "David D. Hagood" <> | Subject | Re: [Asterisk] DTMF noise |
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Matti Aarnio wrote:
> What does such tape contain ? > - DTMF tones buried in various degrees of distortions, > which should be decodable ? > - DTMF tones buried in varying noises which should not be > decodable ? > - Other multi-tone signals which should not decode ?
All that, plus voice (to detect falsing).
It's about 30 minutes long.
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