ITU-T Rec. D.150 (11/1988) NEW SYSTEM FOR ACCOUNTING IN INTERNATIONAL TELEPHONY
1 General considerations
1.1 Introduction
1.2 Explanation of some of the terms and expressions used in this Recommendation
1.3 Basic principles of a new system for accounting in international telephony
1.4 Procedures
1.5 Traffic unit
2 Remuneration of the Administration of the country of destination
2.1 Flat-rate price procedure
2.2 Traffic-unit price procedure
2.3 Accounting revenue division procedure
2.4 Consideration regarding choice of accounting procedure
2.5 Simplification of accounts and use of traffic sampling
3 Remuneration of the Administrations of transit countries
3.1 Flat-rate price procedure
3.2 Traffic-unit price procedure
3.3 Establishment of a switched-transit relation
3.4 Calculation of the remuneration to the Administration of the country of the first transit exchange on the basis...
4 Remuneration of the Administration of the country of origin
5 Notes and examples
ANNEX A
Differences between collection charges and accounting rates
ANNEX B
Examples of the various procedures for remunerating Administrations
B.1 General
B.2 Case 1 - Use of the accounting revenue division procedure for all traffic
B.3 Case 2 - Use of traffic-unit and/or flat-rate price procedure for all traffic
B.4 Case 3 - Use of the accounting revenue division procedure for the direct traffic between A and B and the traffi...
ANNEX C
Traffic measurement conversions from seizures or erlangs into conversation time for temporary alternative routes
C.1 Conversion from seizure measurements
C.2 Conversion from erlang measurements