This Recommendation defines an escalation procedure for the resolution of problems or difficulties in the provision or maintenance of international leased circuits where normal cooperation of maintenance elements does not.This procedure supplements the general escalation procedure given in Recommendation M.1550 Il].
ITU-T M.1560 FRENCH-1992 Referenced Document
ITU-T F.14 General Provisions for One-Stop-Shopping Arrangements (Study Group I) 5 pp
ITU-T M.1016 Assessment of the Service Availability Performance of International Leased Circuits - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satelli
ITU-T M.1045 Preliminary Exchange of Information for the Provision of International Leased Circuits and International Data Transmission Systems - Maintenance: International Leased Circuits (Study Group 4) 10 pp*， 1996-05-01 Update
ITU-T M.1400 Designations for interconnections among operators' networks (Study Group 2)*， 2015-04-01 Update
ITU-T M.1510 Exchange of Contact Point Information for the Maintenance of International Services and the International Network - Maintenance: Information Exchange (Study Group IV) 13 pp
ITU-T M.1550 Escalation Procedure - Maintenance: Designations and Information Exchange (Study Group IV) 6 pp
ITU-T M.20 Maintenance Philosophy for Telecommunication Networks - Maintenance: Introduction and General Principles (Study Group IV) 24 pp