[asterisk-dev] Tone Detection

VoIP Newbie voip.newbie at gmail.com
Fri Mar 3 21:07:54 MST 2006


I have some C codes for silence detection. Please let me know if you can
port it for Asterisk and make it open source.

David


On 3/4/06, David P <elliott3232 at yahoo.com> wrote:
>
>   Hello,
>
>  I need to listen for single/mono tones of different frequencies. For
> example, a 900Hz tone. I have been looking hard for examples of how to do
> this but have came up short.
>  I really want an application like "WaitForSilence", except
> "WaitForTone(hz/length, timeout).
>
>  Can anyone suggest an application to look at or, if not, suggest a way to
> do this?
>
>  Thank you,
>
>  David
>
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