[Asterisk-Users] FAX over PRI

Fri May 19 11:42:36 MST 2006

If this works reliably while rxfax+spandsp does not, wouldn't this point the
blame at rxfax as opposed to spandsp?
IAXmodem uses spandsp the same way rxfax does right?

On 5/19/06, Alexander Lopez <Alex.Lopez at opsys.com> 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.
>
>
>
> 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.
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> Asterisk-Users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> Asterisk-Users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
> The information contained in this email is intended for the personal and
> confidential use
> of the addressee only. It may also be privileged information. If you are
> not the intended
> recipient then you are hereby notified that you have received this
> document in error and
> that any review, distribution or copying of this document is strictly
> prohibited. If you have
> received  this communication in error, please notify Brendata immediately
> on:
>
> +44 (0)1268 466100, or email 'technical at brendata.co.uk'
>
> Brendata (UK) Ltd
> Nevendon Hall, Nevendon Road, Basildon, Essex. SS13 1BX  UK
> Registered Office as above. Registered in England No. 2764339
>
> See our current vacancies at www.brendata.co.uk
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> Asterisk-Users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
>
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> Asterisk-Users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060519/b69b9246/attachment.htm