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• 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