<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" 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 11 (filtered medium)">
<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:新細明體;
        panose-1:2 2 3 0 0 0 0 0 0 0;}
@font-face
        {font-family:"\@新細明體";
        panose-1:2 2 3 0 0 0 0 0 0 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0pt;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:Arial;
        color:windowtext;}
 /* Page Definitions */
 @page Section1
        {size:595.3pt 841.9pt;
        margin:72.0pt 90.0pt 72.0pt 90.0pt;
        layout-grid:18.0pt;}
div.Section1
        {page:Section1;}
 /* 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;}
ol
        {margin-bottom:0pt;}
ul
        {margin-bottom:0pt;}
-->
</style>

</head>

<body lang=ZH-TW link=blue vlink=purple style='text-justify-trim:punctuation'>

<div class=Section1 style='layout-grid:18.0pt'>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Hi All<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>For CUCM cluster interconnection, we also use
inter-cluster trunk on the CUCM.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>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></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><span
style='mso-list:Ignore'>1.<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>          
</span></font></span></span></font><![endif]><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Is it possible to use SIP
trunk to the CUCM interconnection.<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><span
style='mso-list:Ignore'>2.<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>          
</span></font></span></span></font><![endif]><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>If the design is correct,
what is the advantage for using SIP trunk instead of inter-cluster trunk.<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:24.0pt;text-indent:-24.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><span
style='mso-list:Ignore'>3.<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>          
</span></font></span></span></font><![endif]><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>As my client has Cisco SIP
phone, is it the reason they need SIP trunk to the CUCM interconnection.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Thanks<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Best Regards<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>David<o:p></o:p></span></font></p>

</div>

 <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><BR> </body>

</html>