[BC] dtmf tone filter solutions

[Rich Wood]

------ At 07:57 PM 9/17/2008, RichardBJohnson at comcast.net wrote: -------

>be 20-30 dB down and the CBS box with the
>relay-controlled numbers WACE had in its main
>studio was able to detect it. WACE was a
>"CBS Flagship" station when I was CE.

Yes. And it scared the daylights out of most of us. When I was at 
WACE the CBS system was known as Netalert. #9 was the "bend over and 
kiss your butt goodbye" signal. The box would often come to rest on #9.

Rich