Biographical Information
            
            
        
            Articles by Stephen Potter
    
        
            VoiceXML and SALT
        
        
            
                
                    21 May 2002
        
        
            VoiceXML and SALT are both markup languages that describe a speech interface. However, they work in very different ways, largely due to two reasons: (i) they have different goals, (ii) they have different Web heritages.