This Recommendation details the characteristics of an international leased circuit intended to form part of aprivate switched telephone network. The requirements of this Recommendation are intended to ensure the provision of acircuit suitable for telephony purposes. Such circuits may be used either singly, and thus provide for speechcommunication between two private telephone exchanges in different countries, or as part of a connection within aprivate switched telephone network covering two or more countries.
ITU-T M.1030 SPANISH-1988 Referenced Document
ITU-T G.122 Influence of National Systems on Stability and Talker Echo in International Connections Study Group 12*， 1993-03-01 Update
ITU-T G.131 Talker echo and its control Study Group 12*， 2024-04-19 Update
ITU-T G.171 TRANSMISSION PLAN ASPECTS OF PRIVATELY OPERATED NETWORKS*， 1993-01-01 Update
ITU-T M.565 Access Points for International Telephone Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp*， 1989-01-01 Update
ITU-T M.1030 SPANISH-1988 history
1988ITU-T M.1030 SPANISH-1988 CHARACTERISTICS OF ORDINARY QUALITY INTERNATIONAL LEASED CIRCUITS FORMING PART OF PRIVATE SWITCHED TELEPHONE NETWORKS