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<tt>It is my understanding that when you hear echo the problem is on
the other end. So if a caller complains they hear echo that is
something you should be dealing with, but if you hear echo that is the
phone companies fault. Now with a normal phone, the phone company will
only echo cancel long distance calls. For local calls the latency is
not high enough to matter. But with VOIP the added latency creates echo
even for local calls. I think the reason you hear it on some numbers
and not others is that the phone companies are doing echo cancel on
some of those calls and not on others.</tt><br>
<pre class="moz-signature" cols="72">Michael Sampson
Information Systems Manager
Customer Contact Services
<a class="moz-txt-link-abbreviated" href="mailto:msampson@yourccsteam.com">msampson@yourccsteam.com</a>
952-936-4000</pre>
<br>
<br>
Kerry Garrison wrote:
<blockquote cite="mid008901c63ede$4e141a80$800101df@kerry01" type="cite">
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<div><font face="Arial" size="2"><span class="641051716-03032006">On
a 55 station install onto a Cox PRI with a TE110P (Polycom 501 phones)
a few users are complaiining about echo. According to the users, the
echo seems to be phone number dependant. They claim that certain phone
numbers have echo while others dont. Are there any tuning parametes
like there is for a TDM400 card? </span></font></div>
<div> </div>
<font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Kerry Garrison<br>
Director of Technical Services<br>
</span></font><strong><b><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Tech Data Pros - <st1:place
w:st="on"><st1:PlaceName w:st="on">Orange</st1:PlaceName> <st1:PlaceType
w:st="on">County</st1:PlaceType></st1:place>'s Mobile IT Service
Provider<br>
</span></font></b></strong><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">(949) 502-7819 x200 - <a
title="mailto:kerryg@techdatapros.com"
href="mailto:kerryg@techdatapros.com"><em
title="mailto:kerryg@techdatapros.com"><i
title="mailto:kerryg@techdatapros.com"><font
title="mailto:kerryg@techdatapros.com" face="Arial"><span
title="mailto:kerryg@techdatapros.com" style="font-family: Arial;">kerryg@techdatapros.com</span></font></i></em></a><br>
<a title="http://www.techdatapros.com/"
href="http://www.techdatapros.com/"><em
title="http://www.techdatapros.com/"><i
title="http://www.techdatapros.com/"><font
title="http://www.techdatapros.com/" face="Arial"><span
title="http://www.techdatapros.com/" style="font-family: Arial;">http://www.techdatapros.com</span></font></i></em></a></span></font>
<div> </div>
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