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<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Sometimes we get 
echo heard on SIP phone when dialing out.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Zap channel is on 
a&nbsp;TE411 Card.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>It is using a PRI to 
XO.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>As far as I know 
echo is created on the far side.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Could the Zaptel 
card be the far side as far as the SIP phone is concerned?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Calls from our soon 
to retire legacy PBX do not have this problem.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Those calls are 
Legacy - PRI - asterisk -PRI - XO - Dest.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>Any 
suggestions?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006>Zaptel.conf:</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006>context=from-pstn<BR>switchtype=national<BR>pridialplan=unknown 
<BR>prilocaldialplan=unknown<BR>priindication=inband<BR>signalling=pri_cpe<BR>usecallerid=yes<BR>hidecallerid=no</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006>usecallingpres=yes<BR>echocancel=yes<BR>echocancelwhenbridged=yes<BR>echotraining=yes<BR>group=0<BR>callgroup=1<BR>pickupgroup=1<BR>useincomingcalleridonzaptransfer=yes<BR>callerid=asreceived<BR>accountcode=I<BR>musiconhold=default<BR>overlapdial=no<BR>facilityenable=yes<BR>nsf=none<BR>channel 
=&gt; 1-23</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=267103517-13102006>I also set <FONT 
size=2>"static int vpmdtmfsupport = 0;" in wct4xxp.c to remove sporotic DTMF 
tones.</FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=267103517-13102006></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV class=Section1>
<P>&nbsp;</P>
<P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thank You,</SPAN></P>
<P style="TEXT-ALIGN: center" align=center><B><SPAN 
style="FONT-SIZE: 10pt; COLOR: maroon; FONT-FAMILY: Arial">Steven 
BerkHolz</SPAN></B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><BR>- MCSA 
- MCSE -<BR>Manager of Information Systems<BR><B><SPAN 
style="COLOR: maroon">TESCO</SPAN></B><SPAN style="COLOR: maroon"> Group 
Companies</SPAN><BR>Fax. 248-836-5101<BR><SPAN 
style="COLOR: maroon">www.TESCOGroup.com</SPAN></SPAN></P>
<P style="TEXT-ALIGN: center" align=center><SPAN 
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Board member 
of<BR></SPAN><SPAN 
style="FONT-SIZE: 10pt; COLOR: #993300; FONT-FAMILY: Arial">www.glimasoutheast.org</SPAN><SPAN 
style="FONT-SIZE: 10pt; COLOR: maroon; FONT-FAMILY: Arial"><?xml:namespace 
prefix = o ns = "urn:schemas-microsoft-com:office:office" 
/><o:p></o:p></SPAN></P></DIV>
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