View these videos for general training on implementing Cisco Unified Communications systems:
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Cisco Unified Communications System Installation and Upgrade 
This group of videos summarizes the system components and illustrates the uses of the reference architectures. They describe preparing and planning for an upgrade; an outline of the upgrade process; and recommendations for efficient upgrading. They also identify functionality changes and special application integration notes.
For more Cisco Unified Communications training videos, see the Training Library.