[Asterisk-Users] Woodpeckers

Rich Adamson radamson at routers.com
Fri Feb 20 05:40:32 MST 2004


> > 300Hz is pretty high to filter out... it's still well within the rage of
> > voices. To compare, 300Hz is about a diatonic concert D.
> 
> POTS has been filtering out < 300HZ and > 3000HZ for years.

Only on long distance equipment, not on local plant. Ringing frequencies
of 20hz to 80hz would die if that were true.





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