ETR 121 : 20001

Foreword
1 Scope
2 References
3 Symbols and abbreviations
4 UPT network functions
  4.1 Introduction
  4.2 Class "access point"
  4.3 Class "PUI"
  4.4 Class "agreements"
  4.5 Class "authentication"
  4.6 Class "call control"
  4.7 Class "registration"
  4.8 Class "service profile"
  4.9 Class "service"
  4.10 Class "charging"
  4.11 Class "O&M"
5 UPT architecture and interworking
  5.1 UPT functional architecture
  5.2 Interconnection scenarios
  5.3 Allocation of network functions to functional entities
  5.4 Interworking with networks without UPT functionality
6 Applications of the functional architecture
  6.1 Call handling
  6.2 Registration and service management
7 Handling of UPT data
  7.1 Introduction
  7.2 UPT data handling functional model
  7.3 UPT data handling scenarios
Annex A: Requirements and study items for a UPT distributed database
      A.1 Requirements
      A.2 Study items
History

Defines the application of UPT to the IN architecture and identification of the requirements for network interworking.