1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 Cause
6.1 Format
6.2 Codes used in the subfield of the "Cause"
7 General rules for the handling of the location field
8 Handling of cause and location at the international interface
9 Procedures for the handling of location values reserved for national use
(national option)
Bibliography