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On Thu, 2008-02-14 at 11:55 -0600, Brandon Mackie wrote:
> Good afternoon,
>
>
>
> Our goal is to have the ability for a voice line to recognize faxes.
Your goal is unattainable. A fax machine only generates the CNG tone in
theory: in practice many use the wrong frequency, wrong cadence, or
don't generate the CNG at all.
If you need to detect faxes with 100% accuracy, either you need a
dedicated fax line, or a "Press 1 to send a fax" IVR where you then
unconditionally call RxFAX() if they press 1.
> At this point we are using FaxDetect and playing a ringing sound at
> the beginning of the callpath. People with fax-and-walk-away type fax
> machines are just fine. The fax tone is played during the ringing time
> and it gets accepted perfectly. We run into issues with fax-phones or
> generally elderly people. The ideal would be the ability to play while
> the menu is being played. Something along the lines of “Thank-you for
> calling ABC company, if you would like to send a fax you may do so at
> any time, press 1 for our dial by name directory, 2 for sales,etcetc”.
> I tried to figure out the BackgroundDetect application but it didn’t
> appear to do what I was trying to accomplish. Is there something that
> would do this or should I add that to the feature request list?
>
>
>
> -Brandon
Damjan
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