CONTENTS

 1     Scope
 2     References
 3     Definition of terms
        3.1     Terms defined in ITU-T F.851 [2]
        3.2     Terms not defined in ITU‑T F.851 [2]
                  3.2.1     General terms
                  3.2.2     Specific terms
 4     Symbols and abbreviations
 5     Description of UPT
 6     Functional architecture for UPT Service Set 1
        6.1     Functional architecture
                  6.1.1     Generic functional model
                  6.1.2     Descriptions of the functional entities
        6.2     Interconnection scenarios
                  6.2.1     Use of the relationship SCF-SDF
                  6.2.2     Use of the relationship SCF-SCF
                  6.2.3     Use of the relationship SDF-SDF
        6.3     User access scenarios
                  6.3.1     DTMF user access
                  6.3.2     DSS1 user access for ISDN terminals which behave in functional mode
 7     Information flows for UPT Service Set 1 on Capability Set 2
        7.1     UPT elementary procedures and common sequences
                  7.1.1     Access to the UPT environment
                  7.1.2     Identification and authentication
                  7.1.3     UPT release sequences
                  7.1.4     Feature identification (including global follow-on)
        7.2     Procedures for personal mobility
                  7.2.1     Service profile transfer
                  7.2.2     Registration for incoming UPT calls
                  7.2.3     Registration for outgoing UPT calls (call related description)
                  7.2.4     Deregistration for incoming UPT calls
                  7.2.5     Deregistration for outgoing UPT calls (call related description)
                  7.2.6     Remote registration for incoming UPT calls (call related description)
                  7.2.7     Remote registration for outgoing UPT calls
        7.3     UPT call handling procedures
                  7.3.1     Incoming UPT call (based on one trigger)
                  7.3.2     Incoming UPT call (based on two triggers)
                  7.3.3     Outgoing UPT call for a non-registered UPT user
                  7.3.4     Outgoing UPT call for a registered UPT user
                  7.3.5     Call Pick-Up
                  7.3.6     Called party specified secure answering of incoming UPT calls
                  7.3.7     Emergency calls
        7.4     Procedures for UPT service profile management
Annex A
        A.1     Examples of incoming UPT call with home service transparency (SCF-SCF assist)
                  A.1.1     General description
                  A.1.2     First option
                  A.1.3     Second option
        A.2     Examples of outgoing UPT call with home service transparency (SCF-SCF assist)
                  A.2.1     General description
                  A.2.2     First option
                  A.2.3     Second option
Annex B – UPT on mobile networks
        B.1     Scenario 1: basic interworking between IN and mobile networks
        B.2     Access to the UPT environment on mobile terminals