CONTENTS

 1     Scope 
 2     References 
        2.1     Normative references         
        2.2     Informative references        
 3     Terms and definitions       
 4     Symbols and abbreviations           
 5     Conventions     
 6     Overview   
        6.1     Summary of security features          
        6.2     Applicability of the baseline security profile 
        6.3     H.323 requirements           
        6.4     Overview of procedures    
 7     Symmetric-key-based signalling message authentication and integrity (procedure I)
        7.1     Computation of the password-based hash  
        7.2     HMAC-SHA1-96 
        7.3     Computation and verification of authentication and integrity 
 8     Authentication-only (procedure IA)          
 9     Usage illustration for procedure I  
        9.1     RAS message authentication and integrity   
        9.2     H.225.0 message authentication and integrity          
        9.3     H.245 message authentication and integrity 
        9.4     Direct-routed scenario       
10     Back-end-service support           
11     H.235 version 1 compatibility      
12     Multicast behaviour         
13     List of secured signalling messages          
       13.1     H.225.0 RAS       
       13.2     H.225.0 call signalling       
       13.3     H.245 call control 
14     Usage of sendersID and generalID          
15     List of object identifiers