Thanks Damon, I have now turned off all echo cancelation on both the lines coming in for fax and the channels to the channel bank that have fax modems/machines. The fax is clearer, but not as clear as it was prior to *. I have an error showing up of WARNING[2465]: chan_zap.c:3925 zt_handle_event: Ring/Off-hook in strange state 6 on channel 55 when the call is bridged between the fax modem on 6 and the T-1 on 55, or any combination of ports. Are there any other solutions or possible causes?
<br><br><div><span class="gmail_quote">On 6/12/06, <b class="gmail_sendername">Damon Estep</b> <<a href="mailto:damon@suburbanbroadband.net">damon@suburbanbroadband.net</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Turn off echo can for those calls.</span></font></p>
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<p><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">
<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">asterisk-users-bounces@lists.digium.com</a>
[mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">asterisk-users-bounces@lists.digium.com</a>] <b><span style="font-weight: bold;">On Behalf Of
</span></b>Bruce Reeves<br>
<b><span style="font-weight: bold;">Sent:</span></b> Monday, June 12, 2006 10:55
AM<br>
<b><span style="font-weight: bold;">To:</span></b> Asterisk Users Mailing List -
Non-Commercial Discussion<br>
<b><span style="font-weight: bold;">Subject:</span></b> [Asterisk-Users] TDM Fax
Problems</span></font></p>
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<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;">I am running into errors in faxes received by my * server that I route
to fax machines on a channel bank. I have a channelized T-1 coming in and I
take certain channels and transfer them to channels on my channel bank. The T-1
and channel bank are on a Sangoma A104D 4 port with echo canceling. The faxes
tend to have problems with sections of the transmission getting garbled or
lost. Does anyone have any information on why this might be happening or how to
fix it? <br clear="all">
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-- <br>
Bruce<br>
Nortex Networks </span></font></p>
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http://lists.digium.com/mailman/listinfo/asterisk-users</a><br><br><br></blockquote></div><br><br clear="all"><br>-- <br>Bruce<br>Nortex Networks