TelePresence and Video Infrastructure

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Dear All,               We have two cucm Clusters in Different Locations between that clusters i createdInter-Cluster Trunk (Non-Gatekeeper Controlled) Now all are working fine Between Clustersaudio calls & Video calls between sccp 8945 phones  , but...

srimantaj by Level 1
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I have a CUCM-integrated C40 in a DMZ.  It works great for internal calls to other phones on the system.  However, when I try to dial an IP address, I get an almost immediate "call failed" and the firewall logs imply that it is actually trying to com...