ETSI TS 100 590
         
          ETSI TS 100 590
          
        
          Digital cellular telecommunications system (Phase 2+) (GSM); Mobile-services Switching Centre - Base Station System (MSC - BSS) interface; Layer 3 specification (GSM 08.08 version 7.4.0 Release 1998)
        
									
								standard published 12/01/1999 by European Telecommunications Standards Institute

				
					
