Migratation MCS CUCM 8.6 to UCS CUCM 11.5
We have planned to Migrataion MCS cucm version 8.6 to 11.5 on UCS. Please help me to step by step procedure to migratation. 1 Is it direct migration available 8.6.2 to 11.5. If no then how to do migration. 2 what cop files we need to migration. ...