I had posted a method on how to to do this on the support forum, and it looks like someone has taken it and made a blog posting with some screenshots out of it. Try this, and see if it helps:<br><br><a href="http://ciscoflair.blogspot.com/2009/05/cisco-fxo-disconnect-issue.html">http://ciscoflair.blogspot.com/2009/05/cisco-fxo-disconnect-issue.html</a><br>
<br>The original is here:<br><a href="https://supportforums.cisco.com/thread/297280">https://supportforums.cisco.com/thread/297280</a><br><br>-nick<br><br><div class="gmail_quote">On Wed, Jan 12, 2011 at 8:59 AM, Anthony Kouloglou <span dir="ltr"><<a href="mailto:akoul@dataways.gr">akoul@dataways.gr</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000066">
<font size="-1"><font face="Trebuchet MS">Hi Mohamed,<br>
i have never manage to find a solid solution on this problem.<br>
I guess only TAC can help.<br>
They can guide you how to identify disconnect tones that your
local Telephony Provider sends and then applied them using IOS
commands <br>
(like those you have added in the </font></font><small>voice
class dualtone-detect-params 1</small><font size="-1"><font face="Trebuchet MS">)<br>
<br>
</font></font>
<div>
<div>
<p class="MsoNormal" style="line-height: normal;"><b><span style="font-size: 10pt; font-family: "Times New Roman","serif"; color: rgb(89, 89, 89);"><span> </span><span lang="EN-US">Regards</span></span></b><span style="font-size: 12pt; font-family: "Times New Roman","serif";" lang="EN-US"></span></p>
<p class="MsoNormal" style="line-height: normal;"><b><span style="font-size: 10pt; font-family: "Times New Roman","serif"; color: rgb(89, 89, 89);" lang="EN-US">Anhony Kouloglou<br>
</span></b></p>
<p class="MsoNormal" style="line-height: normal;"><b><i><span style="font-size: 8pt; font-family: "Times New Roman","serif"; color: gray;" lang="EN-US">Field Network
Engineer, Cisco UC Specialized</span></i></b><span style="font-size: 12pt; font-family: "Times New Roman","serif";" lang="EN-US"></span></p>
<p class="MsoNormal" style="line-height: normal;"><span style="font-size: 10pt; color: teal;" lang="EN-US"><br>
</span><span style="font-size: 10pt; color: rgb(23, 54, 93);" lang="EN-US"><a href="http://www.dataways.gr/" title="blocked::http://www.dataways.gr/" target="_blank"><b><span style="color: rgb(23, 54, 93);">DATAWAYS
Communications S.A.</span></b></a></span><span style="font-size: 10pt; color: gray;" lang="EN-US"><br>
</span><span style="font-size: 10pt; color: silver;" lang="EN-US">75, Kanari Str., GR-544 53 Thessaloniki -
Greece<br>
Phone +30 2310 953953 Fax +30 2310 953963</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";" lang="EN-US"></span></p>
</div>
</div><div><div></div><div class="h5">
<br>
On 12/1/2011 15:25, sheref hf wrote:
</div></div><blockquote type="cite"><div><div></div><div class="h5">
Hi all,<br>
<br>
I face a series problem that <br>
I have voice system with auto attaendant message <br>
after completeing any external call or any body call me and no
answer the FXO port still up around 2 minutes.<br>
anyone tried to call me in these 2 minutes received busy tone<br>
<br>
I searched for the solution and found that there is configuration
can be made on router and voiceport to solve this problem <br>
but the problem still happened<br>
<br>
these is my configuration<br>
<br>
!<br>
voice class dualtone-detect-params 1<br>
freq-max-deviation 60<br>
freq-max-power 0<br>
freq-min-power 13<br>
freq-power-twist 4<br>
cadence-variation 6<br>
!<br>
voice class custom-cptone test<br>
dualtone disconnect<br>
frequency 450<br>
cadence 250 250<br>
!<br>
voice-port 0/0/0<br>
supervisory disconnect dualtone mid-call<br>
supervisory custom-cptone test<br>
supervisory dualtone-detect-params 1<br>
pre-dial-delay 2<br>
timeouts call-disconnect 1<br>
timeouts wait-release 1<br>
connection plar opx 3850<br>
description 4876281 International<br>
caller-id enable<br>
<br>
<br>
<br>
<p> </p>
<p> </p>
<p><a name="12d7a864c1d51f85__MailAutoSig"><span style="font-size: 9pt;">Best Regards,</span></a><span><span style="font-size: 10pt;"></span></span></p>
<p><span><span style="font-size: 9pt;"> </span></span><span><span style="font-size: 10pt;"></span></span></p>
<p><span><b><span style="font-size: 9pt;">Sherif Ibrahem
Mohamed</span></b></span></p>
<p><span><span style="font-size: 10pt;">Network Engineer</span></span></p>
<p><span><b><span style="font-size: 9pt;">Silicon21NIT
Services</span></b></span><span><b><span style="font-size: 10pt;"></span></b></span></p>
<p><span><span style="font-size: 9pt;"> </span></span></p>
<br>
<br>
</div></div><pre><fieldset></fieldset>
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