Table of Contents

 1     Scope          
 2     References 
 3     Definitions 
 4     Abbreviations and acronyms
 5     Test system architecture and flows     
 6     Line test components             
        6.1     Common line tests components for ANSI, ITU-T and TTC              
        6.2     ITU-T line tests components     
        6.3     ANSI line test components        
        6.4     TTC line test components          
 7     Line test procedures at the testing switching centre      
        7.1     ITU-T
        7.2     ANSI 
        7.3     TTC line tests 
 8     Line test procedures at the testee switching centre        
        8.1     ITU-T
        8.2     ANSI 
        8.3     TTC line tests