• 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