CONTENTS

 1 General considerations     
        1.6     Definitions 
2 Principles for charging      
        2.2 HPLMN charging  
        2.3 VPLMN charging  
        2.4 Fixed station charges         
        2.5 Mobile station-to-mobile station charges    
3 Principles for accounting  
4 Principles for settlements between PLMNs           
 5     Mobile Station Roaming Numbers (MSRNs)       
Annex A – Applications of charging and accounting principles for various call routing scenarios     
        A.1 Case 1 – Mobile station to a fixed station  
        A.2 Case 2 – Roamed mobile station to a fixed station 
        A.3 Case 3 – Roamed mobile station-to-fixed station   
        A.4 Case 4 – Fixed station-to-mobile station    
        A.5 Case 5 – Fixed station-to-roamed mobile station   
        A.6 Case 6 – Fixed station-to-roamed mobile station   
        A.7 Case 7 – Fixed station-to-roamed mobile station   
        A.8     Case 8 – Mobile station-to-mobile station 
        A.9 Case 9 – Mobile station-to-roamed mobile station 
       A.10 Case 10 – Roamed mobile station-to-mobile station         
       A.11 Case 11 – Roamed mobile station-to-roamed mobile station