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     Functional requirements        
        5.1     Video/audio acquisition             
        5.2     Instant image snapshot
        5.3     Recording and playback             
        5.4     PTZ control     
        5.5     Alarming and triggered action   
        5.6     Service management    
 6     Functional architecture          
        6.1     Functional architecture framework         
        6.2     Functional entities        
        6.3     Reference points           
        6.4     Service control flow and signalling