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Mark,</div>
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That is a good thought.. there are a few scenarios where a CUCM/CUC.. etc mid call change will advertise a "no media change" reINVITE out to the PSTN. While I don't think that would be the case here (I would expect the peer to drop the call because they couldn't
negotiate the null/0.0.0.0 media address), SIP traces would certainly show if it were. If it were the case, likely under
<i>voice service voip >> sip</i> the syntax <i>midcall-signaling passthru media-change
</i>would prevent mid call signaling from egressing the CUBE unless it actually had legitimate media changes.</div>
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-Ryan<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt;" data-ogsc="" face="Calibri, sans-serif" color="#000000"><b>From:</b> cisco-voip <cisco-voip-bounces@puck.nether.net> on behalf of Mark H. Turpin <mturpin@covene.com><br>
<b>Sent:</b> Monday, December 2, 2019 8:20 AM<br>
<b>To:</b> Dana Tong <dana.tong@yellit.com.au>; cisco-voip@puck.nether.net <cisco-voip@puck.nether.net><br>
<b>Subject:</b> Re: [cisco-voip] Native Call Queuing on UCM 12.5 with SIP Trunks</font>
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Does the problem go away if you force an MTP?</div>
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Can you provide a debug ccsip messages of an external call?</div>
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Can you share your sanitized CUBE config?</div>
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Curious if your call/media is changing after the initial announcement and your ITSP doesn't care for the way you're attempting to change it.</div>
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<div id="x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt;" data-ogsc="" face="Calibri, sans-serif" color="#000000"><b>From:</b> cisco-voip <cisco-voip-bounces@puck.nether.net> on behalf of Dana Tong <dana.tong@yellit.com.au><br>
<b>Sent:</b> Monday, December 2, 2019 12:36 AM<br>
<b>To:</b> cisco-voip@puck.nether.net <cisco-voip@puck.nether.net><br>
<b>Subject:</b> [cisco-voip] Native Call Queuing on UCM 12.5 with SIP Trunks</font>
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Hi all,</p>
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This being back on the tools is doing my head in. I think I’ve been away too long.</p>
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So I have configured native call queuing on UCM 12.5.x</p>
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Internal calls queue fine. The initial announcement plays. Period announcements work and the MOH is fine in between.</p>
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External calls hear the initial announcement. </p>
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There is no MOH after the announcement and the external user has ring-back tone.</p>
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There is no periodic announcement. </p>
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Any thoughts on why internal is okay and external is not working? Is it relating to SIP supplementary services?</p>
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Cheers</p>
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Dana</p>
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