![Live Webcast: Upgrading Cisco Unified Communications Manager (CUCM) to Version 9.1 (Drive to 9) - YouTube Live Webcast: Upgrading Cisco Unified Communications Manager (CUCM) to Version 9.1 (Drive to 9) - YouTube](https://i.ytimg.com/vi/ORTpreXVtco/hqdefault.jpg)
Live Webcast: Upgrading Cisco Unified Communications Manager (CUCM) to Version 9.1 (Drive to 9) - YouTube
Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 12.5(1)
![Implementing Cisco Unified Communications Manager Cipt1: Authorized Self-study Guide: Hartmann, Dennis: 9781587054839: Amazon.com: Books Implementing Cisco Unified Communications Manager Cipt1: Authorized Self-study Guide: Hartmann, Dennis: 9781587054839: Amazon.com: Books](https://m.media-amazon.com/images/I/412aZYUWPoL._AC_UF1000,1000_QL80_.jpg)
Implementing Cisco Unified Communications Manager Cipt1: Authorized Self-study Guide: Hartmann, Dennis: 9781587054839: Amazon.com: Books
![Brkucc 2011 migrating-from_previous_versions_of_cisco_unified_communications_manager_( cucm)_to_version_12.0 Brkucc 2011 migrating-from_previous_versions_of_cisco_unified_communications_manager_( cucm)_to_version_12.0](https://image.slidesharecdn.com/sg0xwxfxqsazcb9tdwww-signature-d3a825f208cdd3b00967094fb7092e99f574f95b5ecc45a2f14bc7416986dfa2-poli-201229052210/85/brkucc-2011-migratingfrompreviousversionsofciscounifiedcommunicationsmanagercucmtoversion120-4-320.jpg?cb=1668499837)