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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I assume all the link stats on the switch port are good.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I’m going through this all in my head and everything else I can
think of would be far more consistent (codec, transcoder, etc).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Ted Nugent<br>
<b>Sent:</b> Tuesday, January 05, 2010 12:39 PM<br>
<b>To:</b> Cisco VoIPoE List<br>
<b>Subject:</b> [cisco-voip] 7937 Packet Loss and intermittent voice quality
issues<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>I have a new customer install<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>with 8 sccp 7937s and all of them are experiencing the same
problem. Intermittently<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>throughout the call they continue to lose voice for 5-10 seconds
and then it<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>clears back up for a few minutes and it occurs again. I can see on
the web<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>statistics for the phone that it appears to be losing packets
(Rcvr Lost<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>Packets 2483). This only appears to be occurring<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>inbound to the device since the caller does not hear and audio
issues. These devices<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>are deployed throughout the company and all are experiencing the
same issues at<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>times. There are a couple bugs for g729 and g722 but we’re running
g711 (g722<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>has been disabled clusterwide). They were experiencing the issue
yesterday and<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>I had the 7937 conference in a 7965 and the 7965 did not
experience any voice<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>issues so it’s not the call itself or callers phone. No other
phones are<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>experiencing the issues and I’ve upgrading the load from 1.3.3 to
1.3.4 and the<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>problem still exists. Calls are hitting the PSTN via an MGCP
controlled PRI<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>however I’m not sure if that’s in play or not we have not been
able to<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>replicate the problem on internal calls but that’s not to say it’s
not occurring<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>because its intermittent.</span></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>No Duplex Mismatches</span></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>Cabling has been checked and<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>device moved to new location with known good wiring</span></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>CUCM 7.1.2.21900-5</span></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:black'>Any ideas?</span></span><o:p></o:p></p>
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<p class=MsoNormal><br>
<br>
<span class=apple-style-span><o:p></o:p></span></p>
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