Title : 
Information protection in the Swedish ISDN
         
        
            Author : 
Erlandsson, Kerstin ; Wingqvist, Lars
         
        
            Author_Institution : 
Swedish Telecom
         
        
        
        
            fDate : 
27 May-1 Jun 1990
         
        
        
        
            Keywords : 
Access control; Cryptography; Data security; Delay; Electromagnetic radiation; Frequency; ISDN; Optical fibers; Protection; Time measurement;
         
        
        
        
            Conference_Titel : 
Switching Symposium, 1990. XIII International
         
        
        
            DOI : 
10.1109/ISS.1990.765713