1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations   
 5     H.248 package approaches for compelled CAS   
        5.1     System operation modes    
        5.2     Reasons and criteria           
        5.3     Motivation for two package approaches     
Annex A – International CAS compelled register signalling packages    
        A.1     International CAS Compelled Package      
        A.2     International CAS Compelled with Overlap Package         
        A.3     International CAS Compelled with End-to-End Package   
Annex B – Generic CAS compelled register signalling package    
        B.1     Generic CAS Compelled Register Signalling Package        
        B.2     ABNF encoding    
Appendix I – Timing aspects    
Appendix II – Survey of H.248 packages for CAS