Yan Tian
Member since ‎04-05-2013

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  • 85 Posts
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Hi team,I have reviewed tons of Security related docs both on cisco.com & supportforums.cisco.com. However, all docs are not comprehensive enough to clear my confusion. I even posted a thread here to seek help (MIC LSC CTL confusion), however, confus...
Hello team,Some configurations (enable/disable features) for Jabber client, can not be done through either CUPS or CUCM GUI, that is why we need jabber-config.xml.But if I simply deploy a Jabber client without Jabber-config.xml, how can I tell the fe...
I know that QSIG has been designed specially for multi-vendor PBXs Supplementary Service inter-operation.But it seems to me that PRI E1/TI can also do the same job. I did not see any reasons make me think QSIG as the only one option ? 
Hi team,I have reviewed lots of posts on this community regarding ITL, CTL, LSC, MIC, PKI. However I still have lots of confusions not cleared.Q1: we already have MIC by default, why we still need LSC- Reason #1, more secure ? I do not think so. MIC ...
Hi teamI have below setup9971 A (DN:4002)----SIP CME( -----CUBE( ------ CUCM ( ----- 9971 B (DN:2220)both CUBE and SIP CME will terminate Signaling and Media.when 4002 call 2220, and 2220 pickup the call, CUBE w...