<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: verdana,helvetica,sans-serif; font-size: 10pt; color: #000000'>Worked like a charm. First go!<br><br><div><span name="x"></span>Thanks again<br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Brian Meade" <bmeade90@vt.edu><br><b>To: </b>"Lelio Fulgenzi" <lelio@uoguelph.ca><br><b>Cc: </b>"Cisco VOIP" <cisco-voip@puck.nether.net><br><b>Sent: </b>Tuesday, April 29, 2014 2:01:25 PM<br><b>Subject: </b>Re: [cisco-voip] loopback SIP trunk for failover calls<br><br><div dir="ltr">I believe that method should work similarly. You could even try adding CUCM nodes as H.323 gateways even. I've seen some people do it with MGCP PRIs and crossconnect between 2 PRI ports. There's a lot of ways to accomplish it.<div>
<br></div><div>Brian</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 29, 2014 at 1:56 PM, Lelio Fulgenzi <span dir="ltr"><<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-size:10pt;font-family:verdana,helvetica,sans-serif">OK ... this just clicked. It doesn't have to be a SIP trunk. Can I create a non-gatekeeper Intercluster trunk loopback?<br>
<br><hr><div style="font-size:12pt;font-style:normal;font-family:Helvetica,Arial,sans-serif;text-decoration:none;font-weight:normal"><b>From: </b>"Lelio Fulgenzi" <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>><br>
<b>To: </b>"Cisco VOIP" <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>><br><b>Sent: </b>Tuesday, April 29, 2014 1:53:34 PM<br><b>Subject: </b>loopback SIP trunk for failover calls<div>
<div class="h5"><br><br><div style="font-size:10pt;font-family:verdana,helvetica,sans-serif"><br>We've built SIP trunks to our Nuance Speech Attendant servers, but have been told that in order to ensure failover in the event the servers are not responding, we need to build a loopback SIP trunk back to the CallManager servers so the call is handled.<br>
<br>I'm not sure of all the SIP parameters we need, I'm gonna start with defaults, but heeding the old rule of "never allow a trunk to dial a number that can reach itself" I was going to do the following:<br>
<ul><li>create a SIP trunk with all cluster members as Destinations</li><li>check "Run On All Active Unified CM Nodes"</li><li>create a "SIP Loopback" partition and put only that partition into a "SIP Loopback" search space</li>
<li>in the "SIP Loopback" partition, create a translation for each route pattern with the failover destination</li></ul><p>Any thoughts, will this give me what I need?</p><p><br></p><p>Thanks, Lelio</p><p><br></p>
<br><div><span></span>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst, Network Infrastructure<br>Computing and Communications Services (CCS)<br>University of Guelph<br><br><a href="tel:519%E2%80%90824%E2%80%904120%20Ext%2056354" target="_blank">519‐824‐4120 Ext 56354</a><br>
<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a><br><a href="http://www.uoguelph.ca/ccs" target="_blank">www.uoguelph.ca/ccs</a><br>Room 037, Animal Science and Nutrition Building<br>Guelph, Ontario, N1G 2W1<span></span><br>
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