Re: [Asterisk] DTMF noise

David D. Hagood (wowbagger@sktc.net)
Fri, 10 Jan 2003 06:42:17 -0600


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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