Unified Communications Infrastructure

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Resolved! ICT Trunk between two CUCM Clusters running on different major version

Hi Team,   Can we have ICT trunk (Non Gatekeeper Controlled) between two CUCM Clusters running on different major version.   We have CUCM-9.1 running having ICT trunks with other CUCM Cluster. And we are planning to upgrade this CUCM from 9.1 to 11.5...

Unified Attendent Console switchboard unable to blind transfer

The Attendant advanced console software v11 on our reception pc is not working, though it looks ok, calls to extensions are just being cut off.  The queue is ok, but any attempts to forward result in the operator hearing one ring then it cuts the cal...

After changing IP address the second IM&P server will not work

After the move of the CUCM and IM&P servers we have the next issue:   The second IM&P server part of the HA cluster will not work.   I see the next services are not started: Cisco Presence Engine [STOPPED] Service not activated Cisco SIP Proxy [STOPP...