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.
<br><br>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?
<br><br>Tom<br><br><div><span class="gmail_quote">On 5/19/06, <b class="gmail_sendername">Steve Hanselman</b> <<a href="mailto:SteveH@brendata.co.uk">SteveH@brendata.co.uk</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Sorry for the late reply but both of these are fine, we use spandsp to<br>print some faxes and email others.<br><br>We also route via a PRI to our other phone system to hylafax on an<br>analog modem and also to an analog fax.
<br><br>So what you want to do is fine and will work.<br><br>Steve<br><br><br>-----Original Message-----<br>From: <a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a><br>[mailto:
<a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>] On Behalf Of Michael<br>Gaudette<br>Sent: 21 March 2006 20:34<br>To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
<br>Subject: RE: [Asterisk-Users] FAX over PRI<br><br>Hmmm, Im not so sure I can apply this to me though. I just want to do<br>Fax-To-Email using PRI channels as the incoming lines. Not so much<br>transfer<br>to a real fax.
<br><br>I am assuming that this is easily done with Asterisk? (I did it before<br>with<br>Asterisk SIP, but it only worked once every 10 tries or so)<br><br>Mike<br><br>-----Original Message-----<br>From: <a href="mailto:asterisk-users-bounces@lists.digium.com">
asterisk-users-bounces@lists.digium.com</a><br>[mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>] On Behalf Of Andrew<br>Kohlsmith<br>Sent: March 21, 2006 3:25 PM
<br>To: <a href="mailto:asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a><br>Subject: Re: [Asterisk-Users] FAX over PRI<br><br>On Tuesday 21 March 2006 15:09, Michael Gaudette wrote:<br>> How should I consider Fax over PRI channels with Asterisk? Is the
<br>> quality and reliability good, or should I be prepared for alot of<br>grief?<br><br>I'm having good success doing fax over PRI using a TE405; one span to<br>the<br>PRI, the other to an FXS channel bank that is almost obscenely
<br>underutilized<br>(3 channels).<br><br>I also have channel bank - T100P - IAX2 - TE405 - PRI, where the IAX2<br>link<br>is a 1-hop SDSL (VOIP only) data link. This works well too.<br><br>-A.<br>_______________________________________________
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