Fixed, mobile and satellite convergence (FMSC) is the capability that provides services and applications to end users regardless of the fixed, mobile or satellite access technologies being used. This Recommendation specifies the overview on FMSC, QoS considerations, QoS assurance requirements, framework and example QoS assurance procedure for FMSC, in the context of IMT-2020 networks and beyond. The radio aspects are out of the scope of this Recommendation.