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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">CUCM support RFC2833 so long as one of the legs is SIP. An H323 to SIP call through CUCM should allow RFC2833.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+Chris<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Unity Connection TME<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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 [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Mark Holloway<br>
<b>Sent:</b> Wednesday, July 17, 2013 8:13 AM<br>
<b>To:</b> Divin John (dijohn)<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] H.323 DTMF to SIP 2833<o:p></o:p></span></p>
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<p class="MsoNormal">John is correct, if you're using Alphanumeric on H323 you should be able to use SIP INFO without the need of an MTP. The question is what's on the other end of the SIP Trunk, and will they support SIP INFO?<o:p></o:p></p>
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<p class="MsoNormal"><span class="highlight"><span style="font-size:10.0pt">DTMF</span></span><span style="font-size:10.0pt"> interworking between SIP and H.323 in the signaling plane, using the Alphanumeric method
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">of UserInputIndication<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal">On Jul 16, 2013, at 1:29 PM, Divin John (dijohn) <<a href="mailto:dijohn@cisco.com">dijohn@cisco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">CUCM on the H323 leg doesn't support rfc2833 (rtp-nte). <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">So, to stop CUCM from invoking an MTP, the SIP side should support Out of band (notify maybe)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Divin<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:
</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Nate VanMaren <<a href="mailto:VanMarenNP@ldschurch.org">VanMarenNP@ldschurch.org</a>><br>
<b>Date: </b>Tuesday, 11 June 2013 1:26 AM<br>
<b>To: </b>"<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>" <<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>><br>
<b>Subject: </b>[cisco-voip] H.323 DTMF to SIP 2833<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">What H.323 DTMF method can I use on a H.323 dial-peer to CUCM that will not invoke an MTP when the outbound side of CUCM is a SIP Trunk that is configured to use 2833.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">I am currently using h245-alphanumeric, which seems to be invoking an MTP.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">-Nate</span><o:p></o:p></p>
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