Foundation Topics > CCNA Collaboration CICD 210-060 Official Cert Guide: Managing Endpoints and End Users in CUCM | Cisco Press
CUCM 8.6 - Problem with licenses - Cisco Community
Migrating to cisco unified communications manager 9.1
BRKUCC-2011 Best Practices For Migrating Previous Versions of Cisco Unified Communications Manager (CUCM) To CUCM 8.6 | PDF | Cisco Systems | Ip Address