<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";}
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";}
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><pre><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt;color:black'>For what it is worth I am experiencing the exact same problem with the latest CVS. I have tried numerous IAX providers and the problem follows so it isn’t the provider. Are you running stable or CVS?<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>I think that you hit it on the head, the fact that audio is being sent prior to an IAX ANSWER seems like a bug to me. I verified that I am seeing this same symptom of audio packets before the answer packet. <o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>If no one disagrees I will open a bug.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>==========================================<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>> Check the load on your server(s). <o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>> <o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>Load average is always at or near 0. This is on a dedicated machine doing<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>nothing but routing calls. No voicemail, music on hold, etc.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>I noticed something in a packet capture that may or may not be significant.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>When I place a call, the capture shows about 3 seconds of audio data before<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>the IAX ANSWER packet. Could this be a symptom of the problem?<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>Below is a packet dump if an outbound IAX call made from a Zaptel FXS<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>channel.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>No. Time Source Destination Protocol Info<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 9 11.987842 asterisk 66.234.228.170 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 4, timestamp 3ms REGREQ<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 11 12.086365 66.234.228.170 asterisk IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 356, timestamp 4ms REGACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 12 12.086456 asterisk 66.234.228.170 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 4, timestamp 4ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 13 12.158422 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 14ms NEW<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 14 12.258421 66.234.228.160 asterisk IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 228, timestamp 10ms AUTHREQ<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 15 12.258514 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 114ms AUTHREP<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 16 12.383395 66.234.228.160 asterisk IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 228, timestamp 109ms ACCEPT<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 17 12.383552 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 109ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 18 12.397652 asterisk 66.234.228.160 IAX2 Voice,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 253ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 19 12.417636 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 273ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 20 12.437635 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 293ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 21 12.457634 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 313ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 22 12.477634 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 333ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 23 12.497634 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 353ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 24 12.498398 66.234.228.160 asterisk IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 228, timestamp 253ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 25 12.515119 66.234.228.160 asterisk IAX2<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>Control, source call# 228, timestamp 112ms stop sounds<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 26 12.515161 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 112ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 27 12.517701 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 373ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 28 12.537634 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 393ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 29 12.557634 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 413ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 30 12.565685 66.234.228.160 asterisk IAX2<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>Control, source call# 228, timestamp 115ms unknown (0x0e)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 31 12.565732 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 115ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 32 12.577636 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 433ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 33 12.585428 66.234.228.160 asterisk IAX2 Voice,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 228, timestamp 20ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 34 12.585505 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 20ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 35 12.597633 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 453ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 36 12.606341 66.234.228.160 asterisk IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 228, timestamp 40ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 37 12.617633 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 473ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> .<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> .<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> . Nothing of interest in here, just audio data<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> . <o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> .<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 327 15.477620 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 3333ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 328 15.486797 66.234.228.160 asterisk IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 228, timestamp 2920ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>--->329 15.487713 66.234.228.160 asterisk IAX2<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>Control, source call# 228, timestamp 2923ms ANSWER<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 330 15.487734 asterisk 66.234.228.160 IAX2 IAX,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>source call# 6, timestamp 2923ms ACK<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 331 15.497627 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 3353ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 332 15.517623 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 3373ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 333 15.537620 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 3393ms, Raw mu-law data (G.711)<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'> 334 15.557619 asterisk 66.234.228.160 IAX2 Mini<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;color:black'>packet, source call# 6, timestamp 3413ms, Raw mu-law data (G.711)<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>