1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 E.164 number structures
4.1 International public telecommunication number for geographic
areas
4.2 International public telecommunication number for global
services
4.3 International public telecommunication number for networks
5 Number portability types
6 Generic implementation of number portability
7 Entities addressed by routing
8 Number portability mechanisms
8.1 Assumptions
8.2 General description
9 Types of addresses and numbers – within networks and across network
boundaries
9.1 Concatenated address
9.2 Separated addresses
9.3 RN only
9.4 DN Only (normally across network boundaries)
10 Combinations of addressing types, addressed entities and mechanisms:
general signalling requirements
11 Examples of locations of number portability database(s) within networks
11.1 General description
12 Administrative processes