<div dir="ltr">If you take a look at the headers, it&#39;s somewhat self explanatory -- this is for a 53 second call.<div>First it has the raw bytes in -- which includes dtmf, comfort noise, etc. Then it&#39;s broken down for where specifically it came.</div>

<div>If media_bytes or packets is 0 for either side, that will indicate real 1 way audio (assuming FS is in the media path).</div><div><br></div><div style>&quot;skip&quot;, &quot;jb&quot; (jitter buffer) and &quot;flush&quot; are all probably bad things.</div>

<div style>On the way out, that means either the CPU couldn&#39;t keep up or maybe some issue with the input (not sure about the last one)</div><div style>But for the inbound, that&#39;s an indication of some issue with the incoming media. It could be a real issue with the remote endpoint, or might just be a temporary issue with the link.</div>

<div style>Adding skip+flush = 55 packets. Of the total media packets 2574, let&#39;s find a percentage: 55/2574 = 2.1% hmm. I&#39;m not sure if that number means anything, but it&#39;s the percentage of incoming packets that went awry in some manner.</div>

<div style><br></div><div style>I see there&#39;s some past discussion on the mailing list -- it would be great if someone could pull together a wiki page that has all the <i>accurate </i>details...</div><div style><br></div>

<div><div><br></div><div><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_raw_bytes</td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

447772 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_media_bytes</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

442728 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_packet_count</td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

2743 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_media_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

2574 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_skip_packet_count</td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

38 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_jb_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">rtp_audio_in_dtmf_packet_count</td>

<td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">152 </td></tr><tr>

<td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_cng_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">rtp_audio_in_flush_packet_count</td>

<td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">17 </td></tr><tr>
<td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_in_largest_jb_size<br><br><br></td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">rtp_audio_out_raw_bytes</td>

<td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">364640 </td></tr>
<tr>
<td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_out_media_bytes</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

364640 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_out_packet_count</td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

2120 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_out_media_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

2120 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_out_skip_packet_count</td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_out_dtmf_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">rtp_audio_out_cng_packet_count<br>

<br></td><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">0 </td></tr>

<tr><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

rtp_audio_rtcp_packet_count</td><td valign="top" align="left" class="" style="color:rgb(68,68,68);font-size:12px;font-family:arial;background-image:url(https://sip.bestfone.com/themes/enhanced/background_cell.gif);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">

0 </td></tr><tr><td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">rtp_audio_rtcp_octet_count</td>

<td valign="top" align="left" class="" style="color:rgb(95,95,95);font-size:12px;font-family:arial;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(153,153,153);padding:4px 7px">0 </td></tr></tbody></table>

</div></div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><span style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small">-Avi Marcus</span><br><br><span style="font-family:Verdana,Arial,Helvetica,sans-serif">1-718-989-9485 (USA)</span><font face="Verdana, Arial, Helvetica, sans-serif"><br>

</font><div><font face="Verdana, Arial, Helvetica, sans-serif">1-866-202-5850 (USA &amp; Canada Toll Free)</font><br><font face="Verdana, Arial, Helvetica, sans-serif"></font><span style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small">02-372-</span><span style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:13px;line-height:15px;white-space:pre;background-color:rgb(255,255,255)">1570</span><span style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small"> (Israel)<br>

</span><span style="font-family:Verdana,Arial,Helvetica,sans-serif"><span style="font-size:small">020-3298-2875 (UK)</span></span></div></div></div>
<br><br><div class="gmail_quote">On Thu, Jan 16, 2014 at 4:17 PM, Carlo Dimaggio <span dir="ltr">&lt;<a href="mailto:jaasmailing@gmail.com" target="_blank">jaasmailing@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


  

    
  
  <div bgcolor="#FFFFFF" text="#000000">
    <font size="-1"><font face="Arial">Hi <font face="Arial">g</font>uys,<br>
        <br>
        <font face="Arial">I would like to meas<font face="Arial">ure
            the <font face="Arial">MOS score of every call<font face="Arial">. <br>
                I know that XML CDR <font face="Arial">gi<font face="Arial">ve<font face="Arial">s a lot of
                      information <font face="Arial">b<font face="Arial">ut I don&#39;t know the meaning of
                          the rtp_audio* headers<font face="Arial"> and
                            if they <font face="Arial">are <font face="Arial">enough for MOS calculation.<br>
                                <br>
                                <font face="Arial">Could you <font face="Arial">give me some hints?<br>
                                    <br>
                                    <br>
                                    <font face="Arial">Be<font face="Arial">st <font face="Arial">Regards,<br>
                                          <font face="Arial">Carl<font face="Arial">o Dimaggio</font></font><br>
                                        </font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><br>
                        
  </div>

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