CONTENTS

Scope                
 1     Introduction      
 2     References 
 3     Terms and definitions       
 4     Abbreviations and acronyms        
 5     End-to-end considerations           
 6     Transmission characteristics         
        6.1     Default coding algorithm     
        6.2     Delay     
        6.3     Send Loudness Rating       
        6.4     Receive Loudness Rating   
        6.5     Weighted Terminal Coupling Loss (TCLw)
        6.6     Residual Echo Level          
        6.7     Further parameters with respect to speech processing devices        
 7     Measurement considerations