1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 General
7 Scenarios of user data exchange
7.1 User data grouping
7.2 Scenario description
8 User data exchange method
8.1 General procedure
8.2 Data package
9 Functionality of data exchange functional components
9.1 Basic functionality
9.2 Security consideration
10 Preferred XML user data syntax
10.1 General
10.2 Contacts data syntax
10.3 Calendar data syntax
10.4 Messaging data syntax
10.5 Other