[Asterisk-Dev] answering machine detection

[Preston Garrison]

Is there a difference between using this and WaitForSilence?


Preston Garrison
direct: 877-748-4142
fax: 310-774-3901
cell: 623-748-4140

-----Original Message-----
From: Ben Hencke <brainstar at gmail.com>
To: Asterisk Developers Mailing List <asterisk-dev at lists.digium.com>
Sent: Fri, 4 Mar 2005 09:59:27 -0800
Subject: Re: [Asterisk-Dev] answering machine detection

Check out my machine detection app. It is listed on the voip wiki and
you can get it from here:

http://www.thenetbrain.com/files/app_machinedetect.c

Just add it to the makefile in the apps directory. The documentation
for it is available in * console by doing "show application
machinedetect".

It works by detection the length of the greeting. Most answering
machines have a greeting that is much longer than a "hello". Not 100%
but better than nothing.

If you check it out, please let me know how it works for you.

- Ben


On Thu, 03 Mar 2005 07:47:28 +0800, Steve Underwood 
<steveu at coppice.org> wrote:
> Preston Garrison wrote:
>
> > Has anyone worked on any code or have any experience doing answering
> > machine detection.  Someone I was talking to was telling me 
something
> > like normal callers do more mhz? :)  Which I assume maybe they mean
> > that a normal caller sends higher frequencies since its not
> > pre-recorded.  However I am wonder if the codec compression would
> > remove that.  Anyone out there have any experience with coding such
> > things or using them?
>
> Search the mailing lists. This issue comes up regularly.
>
> Regards,
> Steve
>
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