Summary - Y.3166 (08/2025) - Future networks including IMT-2020 networks – Requirements and framework for the support of user equipment to user equipment session management

Recommendation ITU-T Y.3166 specifies the requirements and framework for the support of user equipment (UE)-to-UE session management in future networks, including international mobile telecommunications (IMT)-2020 network.
The Recommendation highlights the motivation of supporting UE-to-UE session management to meet emerging service demands. It emphasizes a flexible, distance-based, on-demand network resource allocation and accounting model, enabling affordable access for small and medium-sized organizations without regular financial commitments.