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 Architecture of calling line identification authentication
6.1 Reference architecture
6.2 Functional entities
7 Procedure of calling line identification authentication
7.1 Certification generating
7.2 Call request
initiating
7.3 Certification verification
8 Procedure of calling line
identification presentation
8.1 Actions at
the outgoing SSGW/international gateway exchange
8.2 Actions at the transit exchange
8.3 Actions at the incoming
SSGW/ international gateway exchange
8.4 Action at the destination local exchange (optional)