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<p class="MsoNormal"><span style="color:#44546A">Can anyone give me any guidance on how to troubleshoot these errors?&nbsp; It&#8217;s taking down one of our client&#8217;s phone lines and I would really like to understand what is happening here.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">Cordially,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">Peter Nayland Kust<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">Director of Technologies</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:gray"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">BusinesSuites<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">24624 Interstate 45 North, Suite 200<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">Houston, TX 77386<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">Tel:</span></b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">&nbsp; 281.378.8051</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:#44546A"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">Fax:</span></b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">&nbsp; 855.287.6961</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:#44546A"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#44546A">peter.kust@businessuites.com&nbsp;</span></b><span style="color:#44546A"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Peter Kust [mailto:peter.kust@businessuites.com]
<br>
<b>Sent:</b> Thursday, March 19, 2015 10:11 AM<br>
<b>To:</b> 'users@lists.opensips.org'<br>
<b>Subject:</b> [OpenSIPS-Users] Presence Error messages<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">I am attempting to troubleshoot what I think is a presence/b2b_sca issue.<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">I keep getting an error message from presence as follows:<o:p></o:p></p>
<p class="MsoNormal">ERROR:presence:update_presentity: No E_Tag match [ff5ad69c9be06cffaa136492f4fb3b50]<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">At some point during the day, I will see this error message:<o:p></o:p></p>
<p class="MsoNormal">ERROR:presence:handle_subscribe: in event specific subscription handling<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">At this point, an outbound call from a line appearance provisioned to the b2b_sca module fails.&nbsp; The outbound call is being attempted from a Cisco SPA525G2, and the message on the phone screen shows &#8220;no line&#8221;&#8212;despite happening at a time
 when it is known there are no calls on the system that I can see.&nbsp; The observed behavior of the phone is to show &#8220;No line&#8221;, and the phone itself gets a<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">What do these error messages mean?&nbsp; What is the system trying to tell me?&nbsp; I am trying to get my brain around what the error messages are saying so I can figure out where to look next in my troubleshooting.&nbsp; The proxy is functioning well
 in all other respects.<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Cordially,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Peter Nayland Kust<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">Director of Technologies</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:gray"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">BusinesSuites<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">24624 Interstate 45 North, Suite 200<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:gray">Houston, TX 77386<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Tel:</span></b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp; 281.378.8051</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Fax:</span></b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp; 855.287.6961</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><a href="mailto:peter.kust@businessuites.com">peter.kust@businessuites.com</a>&nbsp;</span></b><o:p></o:p></p>
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