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To add on to this, you may also want to verify that if you are doing EO in cucm’s trunk sip profile, that you also don’t have EO set on the cube. That would potentially cause this issue too.<br>
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<div dir="ltr">Sent from my iPhone</div>
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<blockquote type="cite">On Jan 17, 2020, at 17:37, Kent Roberts <kent@fredf.org> wrote:<br>
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<div dir="ltr"> Additional to Nicks’ response…. Check the SIP configuration and make sure that you have BEST Effort MTP enabled. That way if it needs the MTP and it can’t get one, DTMF might not work, but your call remains.
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<div class="">Also, I have seen this with Delayed/Early offer on some setups and phones. We had to force early offer to resolve it. (But that could be what a carrier is doing as well)</div>
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<div class="">ALSO!!!</div>
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<div class="">If this is a new setup…. Check the codec order!!!</div>
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<div class="">When we set ours up, G711 was perferred, but when the carrier sent a G729 call it term’d. We were forced to swap the codec order to resolve. (This was 8 years ago, and things have gotten better, but…)</div>
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<div class="">DEBUG CCSIP MESSAGING is your friend on the cube…. Don’t use debug ccsip all, if can really mess things up at the CPU side.</div>
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<div class="">CUCM logs to your trunk should tell you what’s going on.</div>
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<div class="">On Jan 17, 2020, at 3:30 PM, Nick Britt <<a href="mailto:nickolasjbritt@gmail.com" class="">nickolasjbritt@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">Are you using external media resources MTP's (i.e. on the cube) or are you simply using the software MTP's on the CUCM ?
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<div class="">In my experience, I have seen a leg of the call from CUCM to UCCX via SIP provider invoke an MTP due to a DTMF Mismatch. </div>
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<div class="">Then CUCM software MTP resources can randomly drop calls even when they have the capacity, which matches what you are stating. </div>
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<div class="">If it was a codec mismatch I would imagine all calls would be dropped. </div>
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<div class="">I would check software MTP services (System - > servicer parameter - > select active server - > Cisco IP Voice Media Streaming App (active) then the call count and run flag under Media termination point. </div>
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<div class="">If this is enabled and you are not using external mtp resources this could be your issue. </div>
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<div dir="ltr" class="gmail_attr">On Fri, Jan 17, 2020 at 2:18 PM Jonatan Quezada <<a href="mailto:jonatan.quezada@chemeketa.edu" class="">jonatan.quezada@chemeketa.edu</a>> wrote:<br class="">
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<div dir="ltr" class="">outstanding, thank you all for insight on where maybe to look, or rather start looking.
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<div class="">ill see the CTI command from finess via logs, though yeah? ill have to set up capture I think.</div>
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<div class="">for codec mismatches? Im setting those up on my cube, MediaResourcesInstance also on my cube?</div>
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<div class="">MTP on the SIP trunk checked.</div>
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<div dir="ltr" class="gmail_attr">On Fri, Jan 17, 2020 at 2:09 PM Kent Roberts <<a href="mailto:kent@fredf.org" target="_blank" class="">kent@fredf.org</a>> wrote:<br class="">
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<div class="">Remember, call drops is not a finesse issue. Finesse is just a control piece for the user. Look into CUCM/ivr. What is sending the disco request? Should be carrier/IVR/or UCM. Now if you see finesse send a CTI command to hang
up the phone, thats a different issue.
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<div class="">Most of the time on answer drops can be a sign of codec mismatch.</div>
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<div class="">Post some cucm logs, with call examples.<br class="">
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<div class="">On Jan 17, 2020, at 2:52 PM, Nick Britt <<a href="mailto:nickolasjbritt@gmail.com" target="_blank" class="">nickolasjbritt@gmail.com</a>> wrote:</div>
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<div class="">What's the call volume? is MTP required ticked on the CUCM SIP trunk?</div>
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In RTMT can you check your software MTP resources?</div>
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<div dir="ltr" class="gmail_attr">On Fri, Jan 17, 2020 at 1:48 PM Jonatan Quezada <<a href="mailto:jonatan.quezada@chemeketa.edu" target="_blank" class="">jonatan.quezada@chemeketa.edu</a>> wrote:<br class="">
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<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">UCCX version: 10.6.1.11003-29 (ES02-11)<u class=""></u><u class=""></u></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">CUCM Version: 11.5.1.15900-18</span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class=""><br class=""></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">caller--->xxxxxx7899--(cube)-->CUCM---->uccxTriggerAndApplication--->HelpDeskDevices---->all88xx phones---->calHandled</span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class=""><br class=""></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">upon answering the call drops, but not every call! Very challenging</span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class=""><br class=""></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">I imagine there are plenty of reasons why this is a thing, but in our case its hard to diagnose since no network changes are in effect nor have we changed configuration for the help desk.</span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class=""><br class=""></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">what are we seeing as the top 5 or 6 reasons or rather things to re-verify regarding the configuration.</span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class=""><br class=""></span></pre>
<pre style="white-space:pre-wrap;margin:0in 0in 0.0001pt;font-size:10pt;font-family:"Courier New";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;word-break:break-all" class=""><span style="font-size:11pt;font-family:Calibri,sans-serif;border:1pt none windowtext;padding:0in" class="">please advise</span></pre>
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