1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Test arrangement
4.1 Test environment
4.2 Test set-up
4.3 Test signal
4.4 Signal level
4.5 Accuracy of measurements
5 Handset technical requirements
5.1 Codec independent parameters
5.2 Codec relevant parameters
6 Headset technical requirements
6.1 General description
6.2 Codec independent parameters