On Fri, 22 Jun 2007, Gary wrote:
> Basically, how does the machine know if the incoming call is a fax or
> voice call?
It quickly listens for fax tones - certain sequences of detection tones
from the other end that are in a particular acoustic band.
Zaptel supports this on its interfaces (including FXO/POTS), although I
have not tried it personally and do not know how well it works:
http://www.voip-info.org/wiki-Asterisk+fax#Zapfaxdetection
-- Alex
--
Alex Balashov
Evariste Systems
Web : http://www.evaristesys.com/
Tel : +1-678-954-0670
Direct : +1-678-954-0671
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