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<div>SCCP and SIP Phones support OOB and in band. </div>
<div>CUCM does rtp-nte only out a SIP trunk.</div>
<div>H323 Trunks don't support RFc2833 (inband)</div>
<div>H323 to SIP would need a MTP if you need to convert OOB (h323 side) to rtp-nte/inband (SIP side). CUCM would automatically pick up a MTP for DTMF inter-networking.</div>
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<div>Regards,</div>
<div>Divin</div>
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<span style="font-weight:bold">From: </span>"Chris Ward (chrward)" <<a href="mailto:chrward@cisco.com">chrward@cisco.com</a>><br>
<span style="font-weight:bold">Date: </span>Wednesday, 17 July 2013 8:48 PM<br>
<span style="font-weight:bold">To: </span>Mark Holloway <<a href="mailto:mh@markholloway.com">mh@markholloway.com</a>><br>
<span style="font-weight:bold">Cc: </span>Divin John <<a href="mailto:dijohn@cisco.com">dijohn@cisco.com</a>>, "<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>
<span style="font-weight:bold">Subject: </span>RE: [cisco-voip] H.323 DTMF to SIP 2833<br>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Since its in-band, it wouldn’t require an MTP… The 2833 would flow as part of the RTP stream.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Adding rtp-nte to the dial peer should remove the need for an MTP if the other leg (from CUCM’s perspective at least) is SIP.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">+Chris<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Unity Connection TME<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> Mark Holloway [<a href="mailto:mh@markholloway.com">mailto:mh@markholloway.com</a>]
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<b>Sent:</b> Wednesday, July 17, 2013 11:08 AM<br>
<b>To:</b> Chris Ward (chrward)<br>
<b>Cc:</b> Divin John (dijohn); <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><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"><o:p> </o:p></p>
<p class="MsoNormal">Wouldn't this still require MTP? It looks like he is trying to avoid using MTP for the conversion. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Jul 17, 2013, at 9:17 AM, Chris Ward (chrward) <<a href="mailto:chrward@cisco.com">chrward@cisco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">CUCM support RFC2833 so long as one of the legs is SIP. An H323 to SIP call through CUCM should allow RFC2833.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">+Chris</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Unity Connection TME</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span></span><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">cisco-voip
[<a href="mailto:cisco-">mailto:cisco-</a><a href="mailto:voip-bounces@puck.nether.net"><span style="color:purple">voip-bounces@puck.nether.net</span></a>]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>Mark
Holloway<br>
<b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, July 17, 2013 8:13 AM<br>
<b>To:</b><span class="apple-converted-space"> </span>Divin John (dijohn)<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net"><span style="color:purple">cisco-voip@puck.nether.net</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] H.323 DTMF to SIP 2833</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></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"> <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 class="apple-converted-space"><span style="font-size:10.0pt"> </span></span><span style="font-size:10.0pt">interworking between SIP and H.323 in the signaling
plane, using the Alphanumeric method</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">of UserInputIndication</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> </span><o:p></o:p></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"><span style="color:purple">dijohn@cisco.com</span></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). </span><o:p></o:p></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)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 10.5pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 10.5pt; font-family: Calibri, sans-serif; ">Regards,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size: 10.5pt; font-family: Calibri, sans-serif; ">Divin</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">From:<span class="apple-converted-space"> </span></span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Nate VanMaren <<a href="mailto:VanMarenNP@ldschurch.org"><span style="color:purple">VanMarenNP@ldschurch.org</span></a>><br>
<b>Date:<span class="apple-converted-space"> </span></b>Tuesday, 11 June 2013 1:26 AM<br>
<b>To:<span class="apple-converted-space"> </span></b>"<a href="mailto:cisco-voip@puck.nether.net"><span style="color:purple">cisco-voip@puck.nether.net</span></a>" <<a href="mailto:cisco-voip@puck.nether.net"><span style="color:purple">cisco-voip@puck.nether.net</span></a>><br>
<b>Subject:<span class="apple-converted-space"> </span></b>[cisco-voip] H.323 DTMF to SIP 2833</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">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">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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