<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
span.EmailStyle19
{mso-style-type:personal;
font-family:"Arial","sans-serif";
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.EmailStyle21
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:595.3pt 841.9pt;
margin:1.0in 1.25in 1.0in 1.25in;
layout-grid:18.0pt;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:1733507037;
mso-list-type:hybrid;
mso-list-template-ids:701684056 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
@list l0:level1
{mso-level-tab-stop:24.0pt;
mso-level-number-position:left;
margin-left:24.0pt;
text-indent:-24.0pt;}
@list l0:level2
{mso-level-tab-stop:1.0in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level3
{mso-level-tab-stop:1.5in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level4
{mso-level-tab-stop:2.0in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level5
{mso-level-tab-stop:2.5in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level6
{mso-level-tab-stop:3.0in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level7
{mso-level-tab-stop:3.5in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level8
{mso-level-tab-stop:4.0in;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level9
{mso-level-tab-stop:4.5in;
mso-level-number-position:left;
text-indent:-.25in;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple" style="text-justify-trim:punctuation">
<div class="WordSection1" style="layout-grid:18.0pt">
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I think the goal is ultimately end to end sip anymore. If you have SIP, sccp, etc phones, the interconnect between cm nodes should not matter. The big advantage
like Matthew said is the ability to propagate presence information between clusters.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If you have numerous clusters, then it probably deserves a conversation of Callmanager SME in between all your clusters to simplify your design at each cluster.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Dennis Heim<br>
Senior Engineer (Unified Communications)<br>
CDW Advanced Technology Services<br>
10610 9<sup>th</sup> Place<br>
Bellevue, WA 98004<br>
<br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">425.310.5299 Single Number Reach (WA)</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">317.569.4255 Single Number Reach (IN)</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
317.569.4201 Fax</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
<br>
<a href="mailto:dennis.heim@cdw.com"><span style="font-size:10.0pt">dennis.heim@cdw.com</span></a></span><u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue"><br>
</span></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.cdw.com/content/solutions/unified-communications/">cdw.com/content/solutions/unified-communications/</a><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<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>Matthew Loraditch<br>
<b>Sent:</b> Thursday, December 08, 2011 7:00 AM<br>
<b>To:</b> davidytk; cisco-voip@puck.nether.net; ccielab@groupstudy.com<br>
<b>Subject:</b> Re: [cisco-voip] CUCM trunk connection<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<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>
<div>
<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
<br>
<a href="mailto:support@heliontechnologies.com"><span style="color:black">support@heliontechnologies.com</span></a><br>
(p) (410) 252-8830<br>
(F) (443) 541-1593<br>
<br>
Visit us at <a href="http://www.heliontechnologies.com/"><span style="color:black">www.heliontechnologies.com</span></a>
<br>
Support Issue? Email <a href="mailto:support@heliontechnologies.com"><span style="color:black">support@heliontechnologies.com</span></a> for fast assistance!</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<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"">
<a href="mailto:cisco-voip-bounces@puck.nether.net">cisco-voip-bounces@puck.nether.net</a>
<a href="mailto:[mailto:cisco-voip-bounces@puck.nether.net]">[mailto:cisco-voip-bounces@puck.nether.net]</a>
<b>On Behalf Of </b>davidytk<br>
<b>Sent:</b> Thursday, December 08, 2011 9:26 AM<br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>;
<a href="mailto:ccielab@groupstudy.com">ccielab@groupstudy.com</a><br>
<b>Subject:</b> [cisco-voip] CUCM trunk connection<o:p></o:p></span></p>
</div>
</div>
<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>
<br>
__________ Information from ESET NOD32 Antivirus, version of virus signature database 6694 (20111208) __________<br>
<br>
The message was checked by ESET NOD32 Antivirus.<br>
<br>
<a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></span></p>
</div>
</body>
</html>