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<TITLE>TE410P on Dell 2650</TITLE>
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<P><FONT SIZE=2 FACE="Arial">I have a Poweredge 2650 w/ a TE410P card. I'm getting lots of local echo (my users hear themselves) when calling local telephone numbers.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Echo cancelling helps, but doesn't solve the problem.</FONT>
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<P><FONT SIZE=2 FACE="Arial">From zapata.conf:</FONT>
<BR><FONT SIZE=2 FACE="Arial">echocancel = 64</FONT>
<BR><FONT SIZE=2 FACE="Arial">echocancelwhenbridged = yes</FONT>
<BR><FONT SIZE=2 FACE="Arial">echotraining = 800</FONT>
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<P><FONT SIZE=2 FACE="Arial">My zttest results consistently look like this. The digium fellow who has been helping me says these are lower than he'd like to see.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">[root@voip zaptel]# ./zttest -v</FONT>
<BR><FONT SIZE=2 FACE="Arial">Opened pseudo zap interface, measuring accuracy...</FONT>
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<P><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8192 sample intervals 100.000000% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">8192 samples in 8193 sample intervals 99.987793% </FONT>
<BR><FONT SIZE=2 FACE="Arial">--- Results after 9 passes ---</FONT>
<BR><FONT SIZE=2 FACE="Arial">Best: 100.000000 -- Worst: 99.987793 -- Average: 99.989149</FONT>
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<P><FONT SIZE=2 FACE="Arial">The card isn't sharing interrupts, etc. We're at the point where the Digium fellow is suggesting other motherboards and avoiding SCSI.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Anybody else have a 2650 with a TE410P ?</FONT>
<BR><FONT SIZE=2 FACE="Arial">Do you have any local echo problems?</FONT>
<BR><FONT SIZE=2 FACE="Arial">What do your zttest results look like?</FONT>
<BR><FONT SIZE=2 FACE="Arial">Are you satisfied with the system?</FONT>
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<P><FONT SIZE=2 FACE="Arial">Thank you very much.</FONT>
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