Unified Communications Infrastructure

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Hi Support Community,  I have a CSR1000V used as a dedicated SBC between Microsoft Teams and PSTN/CUCM for Direct Routing.  Calls from PSTN/CUCM to Microsoft Teams work no issues. CUBE CSR1000V Teams Direct RoutingCalls from Microsoft Teams to CUCM w...

Hello, I have a new requirement from my manager to connect two sites of two companies in order to allow calls from Site1 CUCM to come to Site2 CUCM. however, I did not work on something like this before and I really need your help with this. A.What d...

We are planning to upgrade our Cisco UCM from 11.0 to 12.5. We do have a number of Voice Gateways whose IOS version is below the minimum on the Cisco compatibility matrix (https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/uc_system/unified/comm...