[Asterisk-Users] Alternatives to SpanDSP??

Craig Guy cguy at bigpond.net.au
Wed Apr 27 04:02:00 MST 2005


I can't vouch for the image quality personally, but I have yet to hear of
any complaints regarding quality from the end users.

Craig

----- Original Message ----- 
From: "Matthew Boehm" <mboehm at cytelcom.com>
To: "Asterisk Users" <asterisk-users at lists.digium.com>
Sent: Wednesday, April 27, 2005 11:16 AM
Subject: Re: [Asterisk-Users] Alternatives to SpanDSP??


> Damn. I'm using spandsp0.0.2pre15 and asterisk 1.0.7 with a single span
card
> (US PRI) and I can get it to work about 85% of the time on a single 1
paged
> fax. I count a failed fax if any of the tiff images don't look like the
> original.
>
> I tried sending thru a 15 page fax. All 15 pages were received in the tiff
> image, but every 2 or 3 pages, it would seem as if the image skipped an
> inch. So instead of being 8.5 x 11, it was 8.5 x 10 (or 9).
>
> -Matthew
>
>
> > From: Craig Guy <cguy at bigpond.net.au>
> > Reply-To: Asterisk Users Mailing List - Non-Commercial Discussion
> > <asterisk-users at lists.digium.com>
> > Date: Wed, 27 Apr 2005 07:51:22 +0800
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > <asterisk-users at lists.digium.com>
> > Subject: Re: [Asterisk-Users] Alternatives to SpanDSP??
> >
> > I agree with Steve on this, am piloting Spandsp 0.0.2pre15 on asterisk
1.0.7
> > with a TE405p, euroisdn.  Fedora Core 2, kernel 2.6.9.  Running on an
old
> > Dell Optiplex desktop PIII 450mhz with 256mb ram.  Takes on average 350
> > faxes / day with just under 1% failed faxes.  I define a failed fax as
one
> > with a filesize of 8bytes or won't render to pdf.  On the strength of
the
> > pilot I am planning to install it to production at another site that
takes
> > approx 800 faxes per day.
> >
> > Craig
> >
> > ----- Original Message -----
> > From: "Steve Underwood" <steveu at coppice.org>
> > To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> > <asterisk-users at lists.digium.com>
> > Sent: Tuesday, April 26, 2005 8:12 PM
> > Subject: Re: [Asterisk-Users] Alternatives to SpanDSP??
> >
> >
> >> Why would you expect a bunch of fax modems to work any better than
> >> spandsp? If spandsp doesn't work reliably your system is very likely
> > broken.
> >>
> >> I have had hundreds of complaints about spandsp reliability. I have
> >> analysed at least 50 or 60 audio logs. I have found maybe 5 or 6 which
> >> has real spandsp problems. The rest had frame slips. Of the 5 or 6 with
> >> real problems, most have been fixed in the latest version. I have one
> >> weird audio log from a new HP combination printer and fax machine that
i
> >> haven't sorted out yet. These HP machines really are total crap. I have
> >> workarounds in spandsp for several blatently wrong things they do. I
> >> don't yet know who is at fault with this latest problem.
> >>
> >> Regards,
> >> Steve
> >>
> >>
> >> Jeremy Melanson wrote:
> >>
> >>> More like, I already have enough Digium cards, and I don't want
purchase
> >>> a bunch of fax/modems and more Digium cards than I alrady have.
> >>> I have a PRI line that I'd like to support high-volume faxing on. I've
> >>> gotten SpanDSP to work with * over the PRI, but I need a more
> >>> reliability.
> >>> That, and I guess I'm probably just being cheap too :-)
> >>>
> >>> -----
> >>> Jeremy
> >>>
> >>> On Mon, 2005-04-25 at 13:15 -0500, Anton Krall wrote:
> >>>
> >>>
> >>>> Maybe I started the day slow :) but let me see if I undertood
correctly.
> >>>>
> >>>> You say that you don't want to rely on having to buy Digums or any
other
> >>>> type of cards in oder to tie everything into spandsp and * but you
would
> >>>> rather have dedicated PSTN lines with faxes on them?
> >>>>
> >>>> |-----Original Message-----
> >>>> |From: asterisk-users-bounces at lists.digium.com
> >>>> |
> >>>> |I guess I didn't word this right.
> >>>> |It's not that SpanDSP ties up extensions, as it definitely
> >>>> |doesn't. I was more referring to the standard hardware-based
> >>>> |solutions out there that need to have a dedicated line for an
> >>>> |incoming fax. I need the ability to send and receive faxes
> >>>> |with a good amount of reliability, and would love to integrate
> >>>> |it with Asterisk. I'm just not keen on needing to buy a bunch
> >>>> |of Digium TDM cards just to support such a solution.
> >>>> |
> >>>> |Don't get me wrong, SpanDSP is great! I'm just looking for
> >>>> |something a little more "enterprise-ready".
> >>>> |
> >>>> |On Mon, 2005-04-25 at 12:07 -0500, Eric Wieling aka ManxPower wrote:
> >>>> |> I wasn't aware that SpanDSP tied up a bunch of extensions.
> >>>> |>
> >>>> |> Jeremy Melanson wrote:
> >>>> |>   > I'm trying to see if anyone knows of an alternative solution,
> >>>> |> commercial or non-commercial, to SpanDSP. I'm specifically looking
> >>>> |for another software-based, DSP fax that doesn't require me to add a
> > tie up a
> >>>> |> > bunch of extensions on my PBX.
> >>>> |> >
> >>>> |> > Has anyone ever seen such an animal, or gotten such it to play
nice
> >>>> |> > with Asterisk?
> >>>>
> >>>>
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> >>>
> >>
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