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     Overview  
 7     Definition of the principal modes of operation         
        7.1     Emulation mode       
        7.2     Native mode
        7.3     Methods for discrimination between native and emulation mode         
 8     Interworking function: Specific items for consideration         
        8.1     ITU-T T.30 procedures           
        8.2     Data rate management for ITU-T V.34 facsimile         
 9     Capability negotiation/determination for V.152-to-T.38 interworking             
        9.1     General        
        9.2     Negotiation using SDP            
10     Handling of stimuli between VBDoIP and FoIP         
11     Synchronization of state transitioning between VBDoIP and FoIP state machines       
Appendix I – Performance evaluation of both modes of operation    
        I.1               Gateway transfer delay 
        I.2               Gateway transfer delay variation            
        I.3               Gateway information loss           
        I.4               Dejitter buffer aspects  
        I.5               Aspect of redundant packet transport     
Appendix II – H.248 bearer establishment procedure examples    
       II.1     Introduction  
       II.2     MG state transitioning: MGC-strict controlled method versus MG autonomous transitioning    
       II.3     Example network model         
       II.4     Example signalling     
Bibliography