CONTENTS

 1     Introduction
        1.1     Scope of Recommendation
        1.2     References
        1.3     Definition of terms
                  1.3.1     Terms defined in Recommendation F.851
                  1.3.2     Terms not defined in Recommendation F.851
        1.4     Description of UPT
        1.5     Glossary of abbreviations
        1.6     Conventions
 2     Functional model for UPT Service Set 1
        2.1     Functional model
        2.2     Descriptions of the functional entities
 3     Information flows for UPT Service Set 1
        3.1     UPT elementary procedures and common sequences
                  3.1.1     Access, identification and authentication
                               3.1.1.1     Outline description
                               3.1.1.2     Information flow diagrams
                  3.1.2     Call release sequences
                               3.1.2.1     Information flow diagrams
                  3.1.3     Procedure identification including global follow-on
                               3.1.3.1     Outline description
                               3.1.3.2     Information flow diagrams
        3.2     Procedures for personal mobility
                  3.2.1     Registration and deregistration
                               3.2.1.1     Outline description
                               3.2.1.2     Information flow diagrams
        3.3     UPT call handling procedures
                  3.3.1     Outgoing calls
                               3.3.1.1     Outline description
                               3.3.1.2     Information flow diagrams
                  3.3.2     Incoming call to UPT user
                               3.3.2.1     Outline description
                               3.3.2.2     Information flow diagrams
        3.4     Procedures for UPT service profile management
                  3.4.1     Outline description
                  3.4.2     Information flow diagrams
        3.5     Third-party procedures
                  3.5.1     Outline description
                  3.5.2     Information flow diagrams
        3.6     Definition of individual information flows
                  3.6.1     Relationship r_a (SSF-SCF)
                               3.6.1.1     SSF to SCF flows
                               3.6.1.2     SCF to SSF flows
                  3.6.2     Relationship r_b (SCF-SDF)
                               3.6.2.1     SCF to SDF flows
                               3.6.2.2     SDF to SCF flows
                  3.6.3     Relationship r_c (SCF-SRF)
                               3.6.3.1     SCF to SRF flows
                               3.6.3.2     SRF to SCF flows
 4     SDL diagrams for functional entities
 5     Functional Entity Actions
        5.1     Functional Entity – FE2 (SSF/CCF)
        5.2     Functional Entity – FE6 (SCF)
        5.3     Functional Entity – FE7 [SDF(o)]
        5.4     Functional Entity – FE8 (SRF)
        5.5     Functional Entity – FE9 [SDF(h)]
 6     Mapping of functional entities to physical entities
Annex  A  –  Outgoing call follow-on
        A.1     Initiation of follow-on
        A.2     Release of resources
                  A.2.1     Release of B-party
                  A.2.2     A-party resources
        A.3     Description and diagrams
                  A.3.1     Outline description
                  A.3.2     Information flow diagrams
                  A.3.3     Functional entity actions
                               A.3.3.1     Functional Entity – FE2 (SSF/CCF)
                               A.3.3.2     Functional Entity – FE6 (SCF)