CONTENTS

 1     Introduction
 2     Scope
 3     References
 4     Call Data measurements
        4.1     Protocol-based Call Data measurements
        4.2     Image related Call Data measurements
        4.3     Analogue Call Data measurements
        4.4     Signalling-related Call Data Measurements
 5     Cumulative data measurements
        5.1     Cumulative data measurements based on T.30 protocol messages
 6     Metrics
        6.1     Primary metrics
        6.2     Secondary metrics
        6.3     Optional metrics
Annex A  –  Image measurements
        A.1     Basic mode
        A.2     Error Correction Mode
        A.3     Comparison between ECM and non-ECM measurements
Annex B  –  Analogue measurements
Annex C  –  Signalling information