<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<style>
<!--
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
h1
{mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:24.0pt;
font-family:"Times New Roman";
font-weight:bold;}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman";}
pre
{margin:0in;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";}
tt
{font-family:"Courier New";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:Arial;
color:windowtext;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
{page:Section1;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I suspect that what you are hearing is the VAD/silence
suppression kicking in and out. Unfortunately, I have the same complaints
from my users and I have been unable to determine a way to disable silence
suppression. VAD=no seems to have no effect in IAX. Also running CVS head
from about 2 weeks ago.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>---------------------------------------<o:p></o:p></span></font></p>
<p><span class=sender><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Rod Bacon</span></font></span><br>
<span class=date>Thu, 03 Mar 2005 17:05:20 -0800</span><o:p></o:p></p>
<!--X-Subject-Header-End--><!--X-Head-of-Message--><!--X-Head-of-Message-End--><!--X-Head-Body-Sep-Begin-->
<p class=MsoNormal style='margin-bottom:12.0pt'><tt><font size=2
face="Courier New"><span style='font-size:10.0pt'><!--X-Head-Body-Sep-End--><!--X-Body-of-Message-->I
have looked through the archives, and can only find old references to this
problem that appear to be no longer relevant, so I thought I'd ask again.</span></font></tt><br>
<br>
<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>I am having
a problem with periodic breaks in audio over an IAX trunk. The interruption
only happens in one direction, and (I think) only with clients built on the
open source libiax.</span></font></tt><br>
<br>
<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>Codec is
irrelevant, and jitterbuffer on/off seems to make no difference either. The
pause happens every few seconds, and is regular.</span></font></tt><o:p></o:p></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>If I disable trunking, audio is perfect.<o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>I am running CVS HEAD as of 1st March.<o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>Can anyone shed any light on this?<o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
</body>
</html>