<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Bob,<br><br>I should have added that I have disabled hardware EC on the T1 ports.<br><br>Here is a sample of my zapata.conf -- channels 1-23 are my incoming PRI.<br>This PRI handles both Voice AND FAX calls. Having the hardware EC<br>disabled makes for poor voice communications, and im looking for a way to<br>enable/disable EC per the call type. I understand that "echoncancelwhenbridged"<br>and Zapata should be telling my A104d to enable/disable HWEC automatically.<br><br>Channel 25 is the first FXS port on my Rhino CB. It has a FAX directly<br>attached to it.<br><br>[channels]<br>language = en<br>switchtype =
national<br>signalling = pri_cpe<br>pridialplan = national<br>prilocaldialplan = national<br>faxdetect = both<br>echotraining = no<br>echocancel = 256<br>echocancelwhenbridged = no<br>relaxdtmf = yes<br>overlapdial = no<br>usecallingpres =
yes<br>amaflags = default<br>context = default<br>group = 1<br>channel => 1-23<br><br>signalling = fxo_ls<br>faxdetect = both<br>echotraining = no<br>echocancel = no<br>echocancelwhenbridged =
no<br>relaxdtmf = yes<br>context = default<br>callerid = "FAX" <1112222><br>channel => 25<br><br>Thanks for your assistance everyone! <br><br><br><br>--- On <b>Fri, 9/5/08, Bob Pierce <i><pierceb@westmancom.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: Bob Pierce <pierceb@westmancom.com><br>Subject: Re: [asterisk-users] FAX over T1 Question<br>To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com><br>Date: Friday, September 5, 2008, 4:43
PM<br><br><pre>On Fri, 2008-09-05 at 09:19 -0700, Amaru Netapshaak wrote:<br>> I have a Sangoma A104d T1 card, a Rhino 24-port FXS box, and am<br>> running <br>> Asterisk 1.4.21.2<br><br>I think you're mostly right on this setup, but I wonder if your A104d is<br>doing some hardware echo cancellation on these calls. If I'm not<br>mistaken, that can mess up fax machine communications.<br><br>Bob<br></pre></blockquote></td></tr></table><br>