<div dir="ltr"><div><div>I would try isolating the trunk for presence. Eg: put on a new Presence Group with disallow subscription. Use an empty CSS for Subscribe CSS. And also on the SIP Trunk security profile, disable "accept presence subscription".<br><br></div>For the DTMF, I think more likely a third party would use something other than kpml. RFC2833 should be all good and SIP Info or update probably good too.<br><br></div>HTH<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">Randall "da ill" Saborio<br>CCIE Voice Wannabe #10054675811<br></div></div>
<br><div class="gmail_quote">On Tue, Jul 12, 2016 at 5:45 PM, Ed Leatherman <span dir="ltr"><<a href="mailto:ealeatherman@gmail.com" target="_blank">ealeatherman@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I wonder if you could do this with a normalization script to just drop subscribe messages? I know there is a knob in the sip trunk security profile to have cucm not accept a subscribe, not sure about preventing it in the outgoing direction. <div><br></div><div>would this cause a problem with DTMF relay if CUCM needs to subscribe to kpml from your IVR? I'm thinking of possibility of your IVR wanting to outpulsing DTMF digits for some purpose.</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Jul 12, 2016 at 4:24 PM, Biffle, Gerrad <span dir="ltr"><<a href="mailto:Gerrad.Biffle@greensboro-nc.gov" target="_blank">Gerrad.Biffle@greensboro-nc.gov</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
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<p class="MsoNormal"><span style="font-size:11.0pt">Does anyone know if it’s possible to disable the SUBSCRIBE messages on a SIP trunk from my CUCM to a third party IVR system? If so, any concerns in doing so?<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Thanks for the help!<u></u><u></u></span></p>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div data-smartmail="gmail_signature">Ed Leatherman<br></div>
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