Summary - Y.3228 (04/2026) - Fixed, mobile and satellite convergence – Dedicated networks for IMT-2020 networks and beyond

Recommendation ITU-T Y.3228 specifies the general considerations, requirements, framework, network function enhancements, procedures, and security considerations of dedicated networks for fixed, mobile and satellite convergence (FMSC), in the context of IMT-2020 networks and beyond. The radio aspects are out of the scope of this Recommendation.
The dedicated network is a network designed for application domains with common requirements. 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.