CONTENTS

 1     General considerations
 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
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.3.1     Case 3A – Call to the home country (see Figure A-3)
                  A.3.2     Case 3B – Call to a third country, C (see Figure A-4)
        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