Table of Contents

 1     Scope            
 2     References   
 3     Definitions   
        3.1     Terms defined elsewhere
        3.2     Terms defined in this Recommendation     
 4     Abbreviations and acronyms  
 5     Conventions
 6     Declarations
        6.1     Reference configuration 
        6.2     Selection of end devices 
        6.3     Selection expressions      
 7     Test purposes              
        7.1     Testing of SIP protocol requirements           
        7.2     Number portability          
        7.3     Accounting        
        7.4     Carrier selection               
        7.5     Emergency call 
        7.6     Quality of service             
Bibliography