1
Scope
2
References
3
Definitions
4
Abbreviations and acronyms
5
Conventions
6
NGN capability sets
6.1
NGN capability set 1
6.2
NGN capability set 2
7
NGN functional architecture
7.1
Overview of NGN architecture
7.2
Generalized NGN functional architecture
8
NGN signalling architecture
8.1
Mapping functions and functional blocks into physical entities
8.2
Mapping reference points to interfaces
9
Signalling protocols supporting NGN capability sets
9.1
External interfaces of NGN
9.2
Internal interfaces of NGN