Datasheet
© 2007 Cisco All rights reserved.UCSS Overview
4
Definition of a “Major Application 
Software Release Upgrade”
 A major software release is indicated by the first number 
that identifies the software version. For example, for the 
product X.Y(z), X identifies the major 
 Major release upgrade example (covered under UCSS):
UCM 4.1 to UCM 5.0
 Minor release update example (covered under Operate 
Services):
UCM 5.0 to UCM 5.1










