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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(10.68.233.72) -----CUBE(10.68.233.71) ------ CUCM (10.68.233.35) ----- 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...
Hi George,Thanks for your reply. However, I am not convinced by you reply.Q1: the New CTL file are signed by the 2 USB token private key. If there is no old CTL file on phone, how can phone decide whether he should trust the USB token certificate in ...
Hi batts,Thanks for your reply. so nowadays, E1 or QSIG are fully equivalent when it comes to tie 2 PBXs. If answer is no, can you provide some particular scenarios where QSIG is mandatory ? Hi Manish, Thanks for your info, I have reviewed that URL b...
Hi Aaron,Many thanks for your reply, and sorry for my delayed reply as I did spend quite some time to understand your reply and digest them.A1: You reply cleared my confusion. In a nutshell, LSC further narrows down CUCM Cluster's trust scope from al...
Hi Ayodeji,AFAIK, "codec preference 1 ilbc mode 30" aims to change packetization period to 30 msec. So, I was actually trying what you recommended and it fixed the problem.
Hi Ayodeji,Sorry for the delay and thanks for your hints."codec preference 1 ilbc mode 30" solves the problem, ILBC is now used on call leg between SIP CME and 9971 A. Thanks again for your help and reply.Yan Tian
