[Asterisk-Dev] HylaFAX and spandsp

Terry Goodwin TGoodwin at packagingcorp.com
Mon Jun 28 05:36:39 MST 2004


:-)  


I cant go into great detail about Hylafax,  but I will dig further now
that I know the fax gods are going to smile upon us.  :)

The high level overview of what I am looking for can be summed up with
the following scenario.

A User has just completed editing a document and needs to send it to
customer paleotech  (Paleotech does not believe in "new fangled"
"doodads" and wants everything over fax or fedex) .  Being that the user
cannot email this document she/he simply prints it to a fax driver on
their PC.  The fax driver gives the user the opportunity to specify the
phone #  and a short cover page note.  (the phone # the user entered is
optionally placed in a directory for easy selection next time)

Once the fax is formatted to the users liking it is then sent to the
"fax server" (I don't believe this needs to utilize any type of VOIP
protocol.  I would think a simple data transfer from client to fax
server would be sufficient)

Ive attempted to speculate on the inner workings of hylafax and how to
interface it with the "modem pool" of asterisk.  After deleting the
paragraph for the sixth time Ive decided to   
give up any attempt at speculation until I look into it in detail.  I
will however ask if a driver can be made that is "seen" by the Linux
operating system as a typical fax modem  that ties into asterisk instead
of a physical interface card?  I would think this would be the bridge
between any other fax server software and asterisk.

I don't write code ( although I wish I did and am determined to learn)
so please take the above as a very high level "user" wish list.  

Terry

>>> steveu at coppice.org 6/26/2004 10:56:54 AM >>>
Hi all,

Some people are happy with the spandsp soft-FAX the way it is. Some 
people want to see its FAX modem work with HylaFAX. In an attempt to 
please the entire universe, a class 1 FAX modem interface for spandsp
is 
now on the way. I just made my first FAX call between a spandsp without

HylaFAX, and a spandsp with HylaFAX.

Now I have a question. What should this look like as a complete 
application? The current applications which allow use of mu soft-FAX, 
rxfax and txfax, are transient applications. What form should a
soft-FAX 
modem for HylaFAX take? Should I follow the same transient application

format, launching a copy of HylaFAX's faxgetty as needed? If so, what 
about the FAX sending side. Should I be building a persistent 
application with a persistent copy of HylaFAX attached? HylaFAX
experts, 
please tell me what will suit HylaFAX best, as I am no HylaFAX expert.

Regards,
Steve

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