[asterisk-users] POTS - Incoming Voice or Fax - How to tell?

2007-06-22 Thread Gary
Hi Folks - This may sound weird - but here goes: I live in Japan and on my home POTS line I have a Fax/Phone machine. If I receive a fax, the thing automatically switches to 'fax mode' and prints the fax. If the call is a 'voice call', it sits there rings until answered. The above is very

Re: [asterisk-users] POTS - Incoming Voice or Fax - How to tell?

2007-06-22 Thread Alex Balashov
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