Summary

             The purpose of this Recommendation is to describe, from a maintenance viewpoint, the relationships between the quality level at which telecommunication services are provided and the performance of telecommuni­cation networks that carry them.

             This Recommendation also provides general guidance to Administrations on maintenance processes by directing them to the relevant and specific Recommendations dealing with maintenance of network and services.

             Keywords

–       Maintenance;

–       network;

–       service.