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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Haven&#8217;t yet.&nbsp; Gotta wait until the
calls stop flowing in/out.&nbsp; It&#8217;s a production system.&nbsp; That&#8217;s on
the list of tonight.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Bill<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com]
<b><span style='font-weight:bold'>On Behalf Of </span></b>Lacy Moore -
Aspendora<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, January 02, 2007
8:36 PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">Asterisk
 Users Mailing List - Non-Commercial Discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [asterisk-users] RE:
yet another faxing issue (outbound only,via ATA)</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><span class=gmailquote><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>On 1/2/07, <b><span style='font-weight:bold'>Bill
Gibbs</span></b> &lt;<a href="mailto:bgibbs@edurotech.com">bgibbs@edurotech.com</a>&gt;
wrote:</span></font></span> <o:p></o:p></p>

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<p><font size=2 face="Times New Roman"><span style='font-size:10.0pt'>Echo
cancel: yes (and zap show channel confirms it's enabled)<br>
I would think if echo cancel was the problem incoming faxes would fail as well?</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>This is only a guess.&nbsp; The Sangoma is detecting the fax when it
receives it, and is turning off echo cancel.&nbsp; However, when box b sends
via IAX2 or SIP&nbsp;to box a, the Sangoma no longer knows that it is a fax
transmission and is continuing echo cancellation.&nbsp; The Cisco 3660
recognizes that it is a fax and turns off echo (or doesn't have echo
cancellation). <o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Question:&nbsp; If you turn OFF echo cancellation, does it work then?<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
&nbsp;<o:p></o:p></span></font></p>

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