SR 4173 : ISSUE 3

1. Introduction
1.1 Conventions
1.2 Changes appearing in Issue 3
1.2.1 Major changes
1.2.2 Minor changes
2. Functional set approach overview
2.1 Understanding the functional set approach
2.2 Functional set approach hierarchical model
2.2.1 Requirements (R)
2.2.2 Requirements set (RS)
2.2.3 Functional subset (FSS)
2.2.4 Functional set (FS)
2.2.5 Category set (CS)
2.2.6 Associated functional subsets
3. Functional set descriptions
4. Functional set catalog
5. Requirements sets definitions
6. Associated functional subsets
6.1 Criteria for identifying associations in CS-1
6.2 Criteria for identifying associations in CS-2 and CS-3
6.3 Associated FSSs with category sets 1,2 and 3
7. Service example

Accelerates the introduction of new services in a multi-supplier environment. The AIN Family of Generic Requirement (GR) documents (FR-15) contains numerous requirements that define AIN functionality at a very comprehensive level to be used by AIN suppliers for developing AIN switching systems and interfaces.