Table of Contents - H.770.1 (12/2025) - Service scenarios and high-level requirements for metaverse cross-platform interoperability

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Overview of metaverse cross-platform interoperability
	6.1	Metaverse interoperability
	6.2	Aspects of metaverse cross-platform interoperability
	6.3	Metaverse cross-platform interoperability
7	Service scenarios of metaverse cross-platform interoperability
	7.1	Metaverse search: Cross-platform metaverse content discovery service
	7.2	Metaverse learning: Content exploration and learning across platforms
	7.3	Metaverse exhibitions: Cross-platform metaverse exhibitions
	7.4	Metaverse safety patrol: Safety patrol service
	7.5	Metaverse SNS: Social networking services in the metaverse
	7.6	Metaverse shopping: Cross-platform metaverse shopping
	7.7	Metaverse tourism: Seamless exploration across multiple platforms
	7.8	Metaverse signage: Product promotion with seamless transitions cross-platforms
	7.9	Metaverse co-working: Cross-platform metaverse co-working
8	High-level requirements for metaverse cross-platform interoperability
	8.1	General requirements for metaverse cross-platform interoperability
	8.2	High-level requirements for avatar interoperability
	8.3	High-level requirements for asset interoperability
	8.4	High-level requirements for content interoperability
	8.5	High-level requirements for identity interoperability
Appendix I – Use cases of the interoperability between metaverses with digital twins
	I.1	Smart sustainable mobility
	I.2	Cyber physical security
Bibliography