[cisco-voip] Fax over Voip (was:Color Cisco Phones)

[Ted Nugent]

We've some luck with the ATA however ECM tends to
trash the transmission, half the time disabling ECM on
the fax works if not we cut our looses and kick them
over to FXS which we’ve had much better luck with. We
have also learned that we've saved a ton of headaches
by sending all faxes out the local POTs or PRIs
depending on site size rather then traversing the WAN.
This is probably all old hat but worth mentioning.


--- Robert Singleton <rsingleton at novateck.com> wrote:

> On Thu, 2007-02-15 at 20:27 -0500, Simon, Bill
> wrote:
> > If you think about all the conversions a fax goes
> through on VoIP, it's 
> > a wonder it EVER works.
> 
> > Paper -> digitized -> made into analog noises ->
> converted to bits for 
> > VoIP -> sent over ethernet or to a voice gateway
> -> converted back to 
> > analog -> digitally reconstructed -> printed onto
> paper.
> > 
> > Something just seems very wrong about that.
> 
> The process becomes incredibly daunting if you break
> down each of those
> steps, but that way madness lay...
> 
> > A "cleaner" solution, truthfully, would be to buy
> a pots line for your 
> > fax.
> 
> That's about $30,000 a year for the 50 or so
> affected machines, spread
> out in about 35 cities, *after* saving that $30,000
> by converting faxes
> to VoIP
> 
> > Or transmit by scan/e-mail.  Hey, it's more secure
> anyway.
> 
> At least 90% of my users are very non-technical.
> They have incredible
> knowledge of plumbing parts and supplies, but it's
> tough enough for them
> to use a fax machine with speed dials to their
> locations. Many do not
> even have a PC. The wholesale distribution software
> that we use (and
> sell to competitors, I might add) is text based and
> many of those users
> do everything they need to on a Wyse 60 terminal.
> Further, many of their
> customers are very small businesses that probably
> wouldn't have a fax
> machine at all if we didn't have enough market clout
> to make it worth
> their while.
> 
> All that aside, my biggest fax problems are between
> big branch offices
> and their largest customers and between my corporate
> credit department
> and many of those same biggest customers, so just
> about everyone has a
> nice fax machine, as opposed to some cheap junk.
> Ironically, the nice
> machines tend to have G3 modems and that appears to
> be where the problem
> is heading.
> 
> One possible solution seems to be the use of FXS
> ports on the routers,
> as opposed to ATAs and I have the engineer working
> towards testing that
> out.
> 
> 
> 
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