Rec. ITU-T Q.1214 (03/1993) … DISTRIBUTED FUNCTIONAL PLANE FOR INTELLIGENT NETWORK CS-1
FOREWORD
CONTENTS
1 General
2 Scope of IN distributed functional plane for capability Set 1
    2.1 End user access
    2.2 Service invocation and control
    2.3 End user interaction
    2.4 Service management
3 Distributed functional model for CS-1
    3.1 Explanation of diagram
    3.2 IN functional model
    3.3 Definition of functional entities related to IN service execution
4 Functional entity call/service logic processing models
    4.1 Overview
    4.2 SSF/CCF model
    4.3 Specialized resource function (SRF) model
    4.4 Service control function (SCF) model
    4.5 Service data function (SDF) model
5 Stage 2 descriptions of service independent building blocks (SIBs)
    5.1 Introduction
    5.2 SIB stage 2 descriptions
    5.5 Mapping of the global functional plane to the distributed functional plane
6 Relationships between FEs
    6.1 General
    6.2 Relationships
    6.3 Information flows between FEs
    6.4 SCF – SSF relationship
    6.5 SCF-SRF relationship
    6.6 SCF-SDF relationship
    6.7 Summary of information flows and related SIBs
Annex A … Communication between call segments
Annex B … SSF/CCF relationship scenarios
Appendix I … Aspects of the distributed functional plane Identified as «for further study» (FFS) Relative to CS-1
I.1 General
I.2 Information flows (IFs)
I.3 Information elements (IE)
I.4 Chart – IFs, IEs
I.5 BCP SIB Stage 2