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ITU-T M.910 Setting up and lining up an international leased group link for wide-spectrum signal transmission
ITU-T M.1010 Constitution and nomenclature of international leased circuits
ITU-T M.1014 Transmission maintenance point (international line) (TMP-IL)
ITU-T M.1016 Assessment of the service availability performance of international leased circuits
ITU-T M.1030 Characteristics of ordinary quality international leased circuits forming part of private switched telephone networks
ITU-T M.1040 Characteristics of ordinary quality international leased circuits
ITU-T M.1235 Use of automatically generated test calls for assessment of network performance