[Asterisk-Users] FAX over PRI

[Alexander Lopez]

For me the answer is simple:

1	Not open source, IT is a thrill to be able to say what you did
without Closed SW.

2	Expensive

	Eicon Diva Server Analog- 4 Port Price: $1,695.00 
	Most customers won't need that level of Fax anyway, it is
usually a freebee tossed in as "Splenda" (ie Artificial Sweetener)

3	Not that big of a deal, most people would have an investment in
a fax machine anyway.

Just my .10 (Had to increase 5 fold to pay for gas for SUV)
	

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Armin Schindler
> Sent: Friday, May 19, 2006 12:54 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: RE: [Asterisk-Users] FAX over PRI
> 
> On Fri, 19 May 2006, Alexander Lopez wrote:
> > I have the same problem, Switched to HylaFax and IAXModem and had
MUCH
> > better luck. MUCH better being defined as not a single usable fax to
> > only missing about 1%. Not bad.
> 
> Just out of curiousity, if the faxing is not that reliable with
softfax
> solutions, why not using hardware DSPs?
> E.g. the DIVA Server PRI card (with DSPs for some or all channels)
does
> provide faxing without using the CPU (same like the DIVA Server BRI
> cards).
> 
> Armin
> 
> 
> > Spandsp or rather RXFax works on a few machines I hae quite well but
on
> > others it does not work at all, I have had good retruns with the
> > HylaFax.IAXmodem combo on machines that could not use the RxFax.
> >
> >
> >
> >
> >
> > ________________________________
> >
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Tom
> > Christensen
> > Sent: Friday, May 19, 2006 12:18 PM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: Re: [Asterisk-Users] FAX over PRI
> >
> >
> >
> > I have had nothing but problems receiving faxes over PRIs with
spandsp.
> > I currently have 4 systems, 4 PRIs from 4 different providers...
none of
> > them get better than 50% success rates receiving faxes in spandsp, I
> > constantly get cut off pages.  No body seems to have a fix for it,
and
> > it is really frustrating.  Supposedly it is caused by "frame slips"
on
> > the PRI, but if that is the case, I am 4 for 4 getting crappy PRIs
that
> > can't keep time.
> >
> > These same boxes work fine when receiving faxes over fxo ports, or
if I
> > plug a fax machine into an fxs port and call in to a spandsp
extension
> > the fax will be received just fine, so I am left thinking it must be
the
> > PRIs, but if all PRIs are this bad, how can anybody be using them?
> >
> > Tom
> >
> > On 5/19/06, Steve Hanselman <SteveH at brendata.co.uk> wrote:
> >
> > Sorry for the late reply but both of these are fine, we use spandsp
to
> > print some faxes and email others.
> >
> > We also route via a PRI to our other phone system to hylafax on an
> > analog modem and also to an analog fax.
> >
> > So what you want to do is fine and will work.
> >
> > Steve
> >
> >
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto: asterisk-users-bounces at lists.digium.com] On Behalf Of
Michael
> > Gaudette
> > Sent: 21 March 2006 20:34
> > To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> > Subject: RE: [Asterisk-Users] FAX over PRI
> >
> > Hmmm, Im not so sure I can apply this to me though.  I just want to
do
> > Fax-To-Email using PRI channels as the incoming lines.  Not so much
> > transfer
> > to a real fax.
> >
> > I am assuming that this is easily done with Asterisk? (I did it
before
> > with
> > Asterisk SIP, but it only worked once every 10 tries or so)
> >
> > Mike
> >
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Andrew
> > Kohlsmith
> > Sent: March 21, 2006 3:25 PM
> > To: asterisk-users at lists.digium.com
> > Subject: Re: [Asterisk-Users] FAX over PRI
> >
> > On Tuesday 21 March 2006 15:09, Michael Gaudette wrote:
> > > How should I consider Fax over PRI channels with Asterisk?  Is the
> > > quality and reliability good, or should I be prepared for alot of
> > grief?
> >
> > I'm having good success doing fax over PRI using a TE405; one span
to
> > the
> > PRI, the other to an FXS channel bank that is almost obscenely
> > underutilized
> > (3 channels).
> >
> > I also have channel bank - T100P - IAX2 - TE405 - PRI, where the
IAX2
> > link
> > is a 1-hop SDSL (VOIP only) data link.  This works well too.
> >
> > -A.
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