EG 202 765-2 : 1.1.1

Intellectual Property Rights
Foreword
1 Scope
2 References
   2.1 Normative references
   2.2 Informative references
3 Abbreviations
4 Introduction
5 Measurement type
6 Voice quality scale
7 List of indicators
   7.1 Post Dialling Delay
   7.2 Media establishment delay
   7.3 Unsuccessful call ratio
   7.4 Premature release probability
   7.5 Level of active speech signal at reception
   7.6 Noise level at reception
   7.7 Noise to signal ratio at reception
   7.8 Speech signal attenuation (or gain) after
        transmission
   7.9 Talker echo delay
   7.10 Talker echo attenuation
   7.11 Listening speech quality
   7.12 Listening speech quality stability
   7.13 End to end delay
   7.14 End to end delay variation
   7.15 Frequency responses at the reception
8 Measurement frequency
9 Duration of test calls
10 Measurement configurations
   10.1 VoIP services
   10.2 VoIP services in triple play context
11 Measurement locations and their distribution
   11.1 Measurement location requirements
   11.2 Method to determine measurement locations
12 Results presentation
   12.1 One-view visualization of performances
   12.2 Non-compliant limits for result visualization
13 Publication of the results
Annex A: Indicator stability formulation
      A.1 Presentation
      A.2 Formulation
      A.3 Graphic illustration of the formulation
      A.4 Some examples of stability indicator calculated
          on Listening Speech Quality
Annex B: Calibration to take into account the frequency
         response of transducers
      B.1 Method presentation
Annex C: Echo presentation
      C.1 Talker echo
      C.2 Listener echo
Annex D: Examples of measurement point distribution
      D.1 Example of France
      D.2 Example of Switzerland
History