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<DIV><FONT size=2>Hi.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>Look at </FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2><A
href="http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/vvfax_c/int_c/vpcg/ch7_nxtp.htm">http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/vvfax_c/int_c/vpcg/ch7_nxtp.htm</A></FONT></DIV>
<DIV><FONT size=2><A
href="http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5400/sw_conf/nxtprtrn/gtvctune.htm">http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5400/sw_conf/nxtprtrn/gtvctune.htm</A></FONT></DIV>
<DIV><FONT size=2><A
href="http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gtvctune.htm">http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gtvctune.htm</A></FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>and you will get the answer.</FONT></DIV>
<DIV><FONT size=2>Summary: it depends on nextport spe firmware running. New
nextport firmware implements new ecan improvements which cause
the minimizing maximum echo tail length. You can use maximum 64ms or
downgrade spe firmware to use 128ms if it really needed.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>Denis.</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=BThomson@wxc.co.nz href="mailto:BThomson@wxc.co.nz">Brett Thomson</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=cisco-voip@puck.nether.net
href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, June 01, 2005 3:06
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [cisco-voip] IOS 12.3-11(T5)
echo-cancellation bug?</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Has anybody tried this IOS
(c5400-ik9s-mz.123-11.T5<SPAN class=GramE>)<SPAN
style="mso-spacerun: yes"> </SPAN>I</SPAN> have, and noticed that there
is not a ‘128ms’ option when setting echo-cancellation
coverage?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">The available options are 16, 32,
64 & 8 (in that order – seems odd, I know…)<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Is this a bug?<SPAN
style="mso-spacerun: yes"> </SPAN>Is the 8 option actually meant to be
the 128ms option?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">T.I.A<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="TEXT-ALIGN: justify"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Brett Thomson</SPAN></FONT><FONT
color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; mso-no-proof: yes"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV>
<P>
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