Hello everyone,after updating the CUCM to the last version 11.5.1.18900-97 a customer complains about errors on an applications server. These errors did not occur before the update. Phones can no longer be controlled. Only after a reinitialization of...

Hello,i have a customer installation where we are experience an issue with the Conference Now Feature. When we dial to the number of Conference Now (internal and external), the connection is is established for 1 seconds and the we get a disconnect wi...

Hello, folks,I have two customers with Cisco 4321 ISR routers. We have exactly the same problem with both customers. There is (not always) one-way voice for outgoing calls. The other party does not understand the internal subscriber. The other direct...

Hello, i have installed the TSP under a Windows 2016 Server. In a Terminal Server Session, i can use the TSP with a Cisco Line, when i logged in with a domain admin. But when i log in with a normal user, i did not see any line.   Is there something i...

Hello,I have a question about supported features about a CUCM intercluster trunk between two clusters. Both clusters have different IM&P domains and separate IM&P servers, each connected to the CUCM. Between the clusters, I can: - Making calls with n...