This is the White Rhino Security blog, an IT technical blog about configs and topics related to the Network and Security Engineer working with Cisco, Brocade, Check Point, and Palo Alto and Sonicwall. I hope this blog serves you well. -- May The Lord bless you and keep you. May He shine His face upon you, and bring you peace.
I had a customer call me and tell me that the time on their phones was off an hour. Their time server happened to be the primary CUCM. I got into the OS Administration window and made the change. Settings --> Time.