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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I have used SIP for intercluster in the past as it allowed presence information to be shared. I think that answers 1 and 2, not sure about 3.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Matthew Loraditch, CCVP, CCNA, CCDA</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><br>
1965 Greenspring Drive<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Timonium, MD 21093
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<a href="mailto:support@heliontechnologies.com"><span style="color:black">support@heliontechnologies.com</span></a><br>
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Visit us at <a href="http://www.heliontechnologies.com/"><span style="color:black">www.heliontechnologies.com</span></a>
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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-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>davidytk<br>
<b>Sent:</b> Thursday, December 08, 2011 9:26 AM<br>
<b>To:</b> cisco-voip@puck.nether.net; ccielab@groupstudy.com<br>
<b>Subject:</b> [cisco-voip] CUCM trunk connection<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">Hi All<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">For CUCM cluster interconnection, we also use inter-cluster trunk on the CUCM.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">For my client standard, they use SIP trunk for the CUCM cluster inter-connection. I have some question about this design.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">Is it possible to use SIP trunk to the CUCM interconnection.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">If the design is correct, what is the advantage for using SIP trunk instead of inter-cluster trunk.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">As my client has Cisco SIP phone, is it the reason they need SIP trunk to the CUCM interconnection.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";mso-fareast-language:ZH-TW">David<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"><br>
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