ITU-T D.310 R-1995
欧洲和地中海地区国家间国际电路分册目(有声和可视)电路和私人电话业务相关控制电路的租金额的确定..区域运用的建议.适用于国际电信业务内的标准利率(研究组3)
Determination of Rentals for the Lease of International Programme (Sound- and Television-) Circuits and Associated Control Circuits for Private Service in Relations between Countries in Europe and the Mediterranean Basin - Recommendations for Regional App