ETSI TS 101 315

Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 3; Functional entities, information flow and reference point definitions; Guidelines for application of TIPHON functional architecture to inter-domain services Edition: 1.1.1
European Telecommunications Standards Institute / 01-Mar-2002 / 43 pages

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The technical specification should clarify the application of the TIPHON functional architecture in order to support services over several administrative domains. For each service, the specification will elaborate on the services functional layer, identifying (not necessarily defining new ones) the required service functions, information flows and reference points between these service functions and other functional entities in the service control layer, IP transport plane, Management plane, and SCN plane as necessary