CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations
 5     UPT number structure
        5.1     Scenario 1 – Home-related scheme
        5.2     Scenario 2 – Country-based scheme
                  5.2.1     Scenario 2 NDC structure
                  5.2.2     Scenario 2 SN structure
        5.3     Scenario 3 – Country code-based global scheme
 6     Number administration responsibility
 7     National prefix option for UPT
 8     UPT service profile access
        8.1     UPT access number (UPTAN)
        8.2     UPT access code (UPTAC)
 9     UPT identification and authentication requirements
        9.1     UPT user authentication at the user-network interface
                  9.1.1     UPT user-network authentication with a UPT number and PIN
                  9.1.2     UPT user-network authentication with an E.212-based PUI
        9.2     UPT user authentication at the network-network interface
        9.3     Information content and structure of the PUI
        9.4     Derivation of the UPT global title from the PUI