ITU-T D.140 AMD 3 RUSSIAN-2003 国际电话业务的计费率原则修正案 3:修订后的附件 A 确定国际电话服务的计费率和计费率份额时要考虑的成本要素指南
Accounting rate principles for the international telephone service Amendment 3: Revised Annex A ?Guidelines for the cost elements to be taken into account when determining accounting rates and accounting rate shares for the international telephone servic