1
Introduction
1.1 Unified Functional Methodology
(UFM): Summary
1.2 The Stage 2 definition (Summary)
2 Steps of the method
2.1 Step 1 – Functional model
2.1.1 Unified functional model
2.1.2 Functional entities
2.1.3 Functional entity relationships
2.1.4 Derivation of the functional model
2.1.5 Relationship between basic and supplementary service models
2.2 Step 2 (Optional) – SIB description of service features (see
3.1 for alternative Step 2 utilizing Object oriented techniques)
2.2.1 SIB definitions
2.2.2 SIB data parameters
2.2.3 SIB modelling conventions
2.2.4 SIB modelling of service features
2.2.5 List of available SIBs
2.2.6 Mapping SIBs to FEs
2.3 Step 3 – Information flow diagrams (see 3.2 for alternative
Step 3 utilizing Object Oriented techniques)
2.3.1 Identification of information flows
2.3.2 Definition of individual information flows
2.4 Step 4 – Functional entity actions (see 3.3 for alternative
Step 4 utilizing Object Oriented techniques)
2.5 Step 5 (optional) – SDL diagrams
for functional entities
2.5.1 SDL general aspects
2.5.2 Adding functionality to existing Stage 2 service descriptions
2.5.3 Packages
2.6 Step 6 – Allocation of functional entities to physical
locations (scenarios)
3 Alternative steps utilizing Object
Oriented techniques
3.1 Alternative Step 2
3.2 Alternative Step 3
3.2.1 Interface Classes
3.2.2 Class diagrams
3.2.3 Interface Sequence diagrams (Optional)
3.3 Alternative Step 4
Appendix I – Format and outline of a Stage 2 description using the unified
functional methodology
Appendix II – Functional architecture - Q.65
evolution
Appendix III – Examples of Interface Classes formed
from Service/Application requirements
III.1 Introduction
III.2 Service/Application Example
III.2.1 Third Party Initiated Call
III.3 Class Diagrams
III.3.1 Generic call control service class diagram
III.3.2 Method Invocations
III.3.3 IDL
III.4 Where to go now?