[asterisk-dev] API call to wait for a specific tone?

Andrew Kohlsmith akohlsmith-asterisk at benshaw.com
Mon Aug 27 18:44:57 CDT 2007

On Monday 27 August 2007 6:36:21 pm Nic Bellamy wrote:
> No API that I'm aware of (although parts of dsp.c are close to what you
> want), but you could do it through either (a) an EAGI script that does
> DSP on the incoming audio stream to detect the tone (a simple Goertzal
> detector should do the job), or (b) by doing the same thing but in a
> custom dialplan application.

The Background() application would most likely be the closest starting point 
for what he's after.


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