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 Functional architecture
6.1 Functional architecture framework
6.2 Functional entities
6.3 Service function
6.4 Service management
7 Service control flow and signalling
7.1 Registration
7.2 IVU keep-alive
7.3 IVU logout
7.4 Configuration
7.5 IVU calling
7.6 Intelligent event report
7.7 OSD parameters issuing to IPU
8 Reference points
8.1 Reference point Pm: IPU – CMU
8.2 Reference point Ps: IPU – SCU
8.3 Reference point Pd/Mp: IPU – MDU
8.4 Reference point Pc/Pc': IPU – ICU
8.5 Reference point Cm: ICU – CMU
8.6 Reference point Cs: ICU – SCU
8.7 Reference point Cu/Mc: ICU – MDU
8.8 Reference point Cd'/Mc': ICU – MSU
8.9 Reference point Su: IVU – SCU
8.10 Reference point Du: IVU – MDU
8.11 Reference point Mu: IVU – IVM
8.12 Reference point Mm: IVM – CMU
8.13 Reference point Ma: IVM – APP
8.14 Reference point Am: APP – CMU
Bibliography