<div dir="ltr">EMCC may be over-complicated especially if you just are doing it for one phone/user.<div><br></div><div>For EMCC, the PSTN access would normally be through the home cluster.</div><div><br></div><div>You can use the Adjunct CSS or EMCC CSS to send calls back across the SIP trunk to the other cluster if you want though.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 10, 2016 at 10:30 AM, <span dir="ltr"><<a href="mailto:george.hendrix@caci.com" target="_blank">george.hendrix@caci.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Guys,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"> We currently have two separate CUCM clusters (9.1 and 10.5). The 10.5 cluster would be the home cluster and the 9.1 cluster would be the remote/visiting cluster. Which of the two would be the better option to go with?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p><u></u><span>1.<span style="font:7.0pt "Times New Roman"">
</span></span><u></u>Phone is setup on 9.1 cluster and a SIP trunk between the two clusters. Call forwarding for busy, etc. is passed over the SIP trunk to the voicemail pilot on the 10.5 cluster.<u></u><u></u></p>
<p><u></u><span>2.<span style="font:7.0pt "Times New Roman"">
</span></span><u></u>Use EMCC between the clusters where the 10.5 cluster would be the home cluster.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Also, when using EMCC, the phone is actually registered with the 9.1 cluster, but the user login is with the 10.5 cluster (the extension). Would the actual call (RTP to other phones and PSTN) access be controlled by the home cluster? Wouldn’t
the phone subnet also need to be able to reach the home cluster PSTN gateways and phones? Basically, anything it may need RTP access to?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Bill Hendrix | Network/VoIP Engineer<u></u><u></u></p>
<p class="MsoNormal">Ph. <a href="tel:813.281.3109" value="+18132813109" target="_blank">813.281.3109</a><u></u><u></u></p>
<p class="MsoNormal"><a href="mailto:george.hendrix@caci.com" target="_blank"><span style="color:#0563c1">george.hendrix@caci.com</span></a><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1f497d"><img border="0" width="103" height="62" src="cid:image001.jpg@01D1AAA6.F6C8C1A0" alt="cid:image001.png@01D15CFD.0CE91C20"></span><u></u><u></u></p>
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