Table of Contents - Q.3956 (04/2025) - Voice over new radio (VoNR)/Video over new radio (ViNR) interconnection testing for interworking and roaming scenarios

1	Scope
2	References
3	Definitions
4	Abbreviations and acronyms
5	Conventions
6	General principles of interconnection of VoNR-based networks
	6.1	Overview
	6.2	Registration procedure aspects for voice support in 5GS
	6.3	5G IMS support
	6.4	5G Connectivity solutions
	6.5	5G architecture options
	6.6	End-to-end (E2E) scenarios in terms of interworking, interconnection and roaming
	6.7	Interworking scenarios
7	Roaming guidelines for 5G
8	IMS profile for voice, video and messaging over 5GS
9	VoNR interconnect and roaming tests
	9.1	Test suite structure
	9.2	VoNR consideration
10	Test purposes
	10.1	General
	10.2	Testing of SIP protocol requirements
11	QoS/QoE/test requirements
12	Selection of VoNR configurations (not contained in the Excel file)
Annex A – Excel test list
Appendix I – 5GS network feature support information element
Appendix II – 5GMM capability information element
Appendix III – IMS-Parameters information element from [ETSI TS 138 331]
Bibliography