openzap has an app you can run to disable EC but i don't know if it's implemented into the sangoma plugin but its not hard to fix if it's not.<div><br><br><div class="gmail_quote">On Wed, May 12, 2010 at 11:47 AM, Helmut Kuper <span dir="ltr"><<a href="mailto:helmut.kuper@ewetel.de">helmut.kuper@ewetel.de</a>></span> wrote:<br>
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Hello,<br>
<br>
<br>
I'm not sure whether I'm right here or not. But maybe someone has faced<br>
same problem:<br>
<br>
<br>
Scenario A:<br>
I'm using Sangoma A104d and FreeSWITCH Version 1.0.head (17097:17188M).<br>
I enabled hardware based detection of fax and dtmf. Further hardware<br>
based HEC is enabled<br>
<br>
I'm not able to reveive a FAX (analog) via PSTN, while sending works and<br>
internal (SIP) works as well. So there is no problem with the ATAs I use<br>
nor with the network (which routes the RTP along 80 kilometers one way).<br>
<br>
Scenario B:<br>
I'm able to receive FAX from pstn with same setup, but have hardware<br>
based HEC disabled. So in this case everything works fine.<br>
<br>
<br>
I thought sangoma's hardware based Fax detection feature should have<br>
disabled HEC when a Fax is detected, but it doesn't seems so. So my<br>
current thoughts are about the question whether FS is able to disable<br>
hardware HEC via mod_openzap and wanpipe driver for the corresponding<br>
A104d channel, when FS knows that the target is a FAX device ...<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Anthony Minessale II<br><br>FreeSWITCH <a href="http://www.freeswitch.org/">http://www.freeswitch.org/</a><br>ClueCon <a href="http://www.cluecon.com/">http://www.cluecon.com/</a><br>
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