Hi, I'm trying to install CUCM v15.0.1.11901 from VMware ESXi v7.0.3. When i enter the NTP address it throws this error, "the ntp server(s) are mistyped, inaccessible or unreliable. Verify that valid NTP server names or ip addresses were entered, tha...

I need to establish a call between Cisco CUCM PBX and Webex. We have below infrastructure with us on-premises 2 CUBE/ISR ISR1: Cisco 2200 (Cisco CME is configured and running) ISR2: Cisco 4400 (PSTN is configured and running) Cisco Unified CM Adminis...