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
Declarations
6.1
Reference configuration
6.2
Selection of end devices
6.3
Selection expressions
7
Test purposes
7.1
Testing of SIP protocol requirements
7.2
Number portability
7.3
Accounting
7.4
Carrier selection
7.5
Emergency call
7.6
Quality of service
Bibliography