1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Framework concept and architecture
7 Introduction to speech quality measurement and assessment models
7.1 Subjective and objective testing
7.2 Classes of objective models
7.3 Measurement configurations
8 Measurement data sources
8.1 Intrusive test probes
8.2 Non-intrusive test probes
8.3 Embedded probes
8.4 Additional metrics
8.5 Multi-point measurements
8.6 Signalling related measurements
9 Decision process
9.1 Thresholds
9.2 Analysing metrics derived from live signals
9.3 Mapping basic diagnostic parameters into root cause analysis
Appendix I – Example based on call clarity index
Bibliography