On Fri, Apr 1, 2011 at 7:04 AM, Khaled W. Chehab <kche...@xplorium.com> wrote:
> 1-Is there a way to export fax tiff file image from .pcap captured file .

Maybe, but I can't think of how. If you can somehow invert the pcap
file back into packets and reproduce the fax traffic, then maybe.

> In other words i am trying to backup all faxes that are passing on my 
> network,and export the fax file later on.
> Is this feasible and how .

I don't know why you wouldn't want the tiff immediately. Traditionally
people use fax because it's faster than putting a letter in the mail.
I don't know why anybody would want slower fax. All I can come up with
is you're trying to evade toll charges or otherwise change one
expensive call into two cheaper calls.

If that's what you want to do, it would be even cheaper to skip the
fax, and use the internet to exchange a pdf file between the actual
two endpoints.

As to whether it's possible? Maybe if instead of the pcap, you do
analog fax, record the call, and play back the recording. Maybe that
would work?

> 2-I tried using asterisk to receive the fax  and resend it , but that will 
> not a real time  fax, and if I want >to ignore the time ,in case of failed 
> fax I should inform the user that fax is been failed since the system 
> >received the fax is the first place successfully .

If you put a fax machine in the way of another fax machine, it's not
going to be real-time. Any kind of arrangement involving two faxes
like that is going to be store-and-forward.

> Is there a way to don’t hangup the call when  the user send the fax first 
> time to system ?

Yes, but you cannot stop the sending party from hanging up their leg
of the call.

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