<div>Hi,</div>
<div> </div>
<div>It seems your configuration is correct .</div>
<div> </div>
<div>1.Still you face the audio problem or not ?</div>
<div>2. Did you install libss7 while there was libpri installed</div>
<div>or a Fresh installation of the server .</div>
<div> </div>
<div>3. in chan_dahdi.conf echocancel and echocancelwhenbridged=yes<br>=yes if you uncomment echocanceller=mg2,1-31</div>
<div> </div>
<div> </div>
<div>Rgds</div>
<div>Mesbah</div>
<div> </div>
<div> </div>
<div><br><br> </div>
<div class="gmail_quote">On Wed, May 19, 2010 at 6:42 PM, Deepika Nijhawan <span dir="ltr"><<a href="mailto:deepika.chopra@oxygen8.com">deepika.chopra@oxygen8.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div lang="EN-US" vlink="purple" link="blue">
<div>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">Below is required info:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">1. Which version of asterisk ,dahdi and libss7 you installed</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">Asterisk 1.6.2.7</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">DAHDI Version: 2.3.0 Echo Canceller:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">libss7 version: 1.0.2</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">2. OS Kernel Version</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">Centos 5.4</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">[root@asterisk4.uk:~]$ uname -r</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">2.6.18-164.15.1.el5PAE</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">3.IPTables and SELinux Status</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">IPTables is fine. My softphone's ip range is allowed. This was working before with ISDN.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">[root@asterisk4.uk:~]$ cat /etc/sysconfig/selinux</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># This file controls the state of SELinux on the system.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># SELINUX= can take one of these three values:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># enforcing - SELinux security policy is enforced.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># permissive - SELinux prints warnings instead of enforcing.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># disabled - SELinux is fully disabled.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">SELINUX=disabled</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># SELINUXTYPE= type of policy in use. Possible values are:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># targeted - Only targeted network daemons are protected.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"># strict - Full SELinux protection.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">SELINUXTYPE=targeted</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">4. Codec Status</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">I am dialing from softphone -> asterisk -> telsis using alaw codec.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">5.SIP.conf and extension.conf information</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">sip.conf:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">[448714349151]</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">type=friend</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">username=448714349151</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">secret=deepika</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">disallow=all</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">allow=alaw</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">nat=yes</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">host=dynamic</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">canreinvite=no</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">context=from-pstn</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">call-limit=2</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">extensions.conf:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">[from-pstn]</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">exten => _1999001X.,1,Dial(DAHDI/g0/${EXTEN})</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">6.</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">Even if I enable below line in system.conf?</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">#echocanceller=mg2,1-15,17-31</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">I am getting below error:</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt">[May 19 12:55:59] WARNING[6187]: chan_dahdi.c:2683 dahdi_enable_ec: Unable to enable echo cancellation on channel 1 (No such device)</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU">---</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU"> </span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU">Kind Regards,</span></p>
<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU"> </span></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt" lang="EN-AU">Deepika Nijhawan</span></b></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt" lang="EN-AU">VoIP Engineer</span></b></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt" lang="EN-AU"> </span></b></p>
<p class="MsoNormal"><b><span style="COLOR: purple; FONT-SIZE: 10pt" lang="EN-AU">Oxygen8</span></b><span style="FONT-SIZE: 10pt" lang="EN-AU"> Communications </span></p>
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<p class="MsoNormal"><span style="FONT-SIZE: 10pt" lang="EN-AU"> +44(0) 121 620 9151</span></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt" lang="EN-AU">Email:</span></b><span style="FONT-SIZE: 10pt" lang="EN-AU"> <a href="mailto:deepika.nijhawan@oxygen8.com" target="_blank">deepika.nijhawan@oxygen8.com</a></span></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt" lang="EN-AU">Skype:</span></b><span style="FONT-SIZE: 10pt" lang="EN-AU"> deepika-nijhawan</span></p>
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