Charging and Accounting Principles for the International Telecommunication Charge Card Service - Series D: General Tariff Principles - Charging and Accounting in the International Telephone Service Study Group 3; 10 pp
ïïU (International Telecommunication Union) is the United Nations Specialized Agency in the field of
telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of
the ITU. Some 179 member countries, 84 telecom oper