Liaison Statements and Inputs to SDOs

3GPP: Incoming / Outgoing LS and Inputs

Year	In/Out	Meeting	Title
2026	Out	3GPP SA4#136	S4-261155 - 5G-MAG’s Support to 3GPP Study Items and Work Items
2026	Out	3GPP SA4#136	S4-260903 - LS Reply on Service APIs for MBS User Services
2026	Out	3GPP SA4#136	S4-260902 - High-level design and service APIs for MBS User Service Announcements (withdrawn)
2026	Out	3GPP CT3#147	C3-262023 - High-level design and service APIs for MBS User Service Announcements
2026	Out	3GPP CT4#135	C4-262234 - High-level design and service APIs for MBS User Service Announcements
2026	In	3GPP CT4#135	C4-262311 - Reply LS on High-level design and service APIs for MBS User Service Announcements (CT4 reply to 5G-MAG, postponed)
2026	In	3GPP CT4#135	C4-262052 - Reply LS on High-level design and service APIs for MBS User Service Announcements (Qualcomm, reply to 5G-MAG, revised into C4-262311)
2026	Out	3GPP CT3#146	C3-261386 - High-level design and service APIs for MBS User Service Announcements
2026	Out	3GPP CT3#146	C3-261385 - LS Reply on Service APIs for MBS User Services
2026	In	3GPP CT3#146	C3-261579 - LS Reply on Service APIs for MBS User Services (CT3 reply to 5G-MAG, approved)
2026	Out	3GPP CT4#134	C4-261261 - LS Reply on Service APIs for MBS User Services
2026	Out	3GPP CT4#134	C4-261260 - High-level design and service APIs for MBS User Service Announcements
2026	Out	3GPP SA4#135-bis-e	S4-260708 - High-level design and service APIs for MBS User Service Announcements
2026	Out	3GPP SA4#135-bis-e	S4-260707 - LS Reply on Service APIs for MBS User Services
2026	In	3GPP SA4#135-bis-e	S4-260734 - High-level design and service APIs for MBS User Service Announcements (SA4 reply to 5G-MAG, approved)
2026	Out	3GPP CT4#133	Reply LS on Service APIs for MBS User Services
2026	Out	3GPP CT3#145	LS Reply on Service APIs for MBS User Services
2025	Out	3GPP CT4#132	LS on Service APIs for MBS User Services
2025	Out	3GPP CT3#144	LS on Service APIs for MBS User Services
2025	Out	3GPP SA4#134	LS on Service APIs for MBS User Services
2025	Out	3GPP SA4 Video AHG post 132	[FS_Beyond2D] Creation of a 5G-MAG repository
2025	Out	3GPP PCG#54	5G-MAG MRP Report: Update on 5G-MAG’s Work
2025	Out	3GPP SA4#131	[DEMOS] 5G-MAG Reference Tools: Demonstrators at SA4#131 Meeting
2024	Out	3GPP SA4#130	LS on uplink media delivery features for 5GMSu and RTC
2024	Out	3GPP SA4 MBS AHG post 129-e	LS on 5G-MAG INSIGHTS, Reference Tools and resolution of issues in 3GPP media delivery specifications
2024	Out	3GPP SA4 MBS AHG post 127-bis-e	5G-MAG Views on FS_AMD_Advanced Media Delivery
2024	Out	3GPP RAN#105	LS on 5G-MAG activities on LTE-based 5G Terrestrial Broadcast and ETSI TS 103 720
2024	Out	3GPP SA1#107	LS on 5G-MAG Work on NTN for Media Distribution: Devices, services, communication mechanisms and deployment models
2024	Out	3GPP SA4#127	Progress on 5G-MAG Reference Tools Projects January’24
2023	Out	3GPP RAN#102	5G-MAG Report on Time and Frequency Interleaving for 3GPP broadcast services
2023	Out	3GPP SA4#122	On ETSI TS 103 720 Second Version
2022	Out	3GPP SA4#121	Reply LS: Clarification and fixes to 3GPP TS 26.512
2022	Out	3GPP SA4#121	Clarification and fixes to 3GPP TS 26.512
2022	Out	3GPP SA4#120-e	5G-MAG Target 2023 - Reference Tools for 5G-based media services
2021	Out	3GPP TSG RAN#91-e	WID on new bands and bandwidth allocation for LTE-based 5G terrestrial broadcast

MPEG: Incoming / Outcoming LS and Inputs

Year	In/Out	Meeting	Title
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m74566 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 4	m73733 - V3C and Haptic Immersive platform release on 5G-MAG reference tools (MIV)
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 7	m73724 - V3C and Haptic Immersive platform release on 5G-MAG reference tools (V-PCC and Haptics)
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m73539 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m72702 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2025	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m71455 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2024	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m70269 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2024	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m69262 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2024	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m67862 - [SD] XR and MPEG-I in 5G-MAG Reference Tools
2024	Out	MPEG ISO/IEC JTC 1/SC 29/WG 3	m66555 - [SD] XR and MPEG-I in 5G-MAG Reference Tools

ETSI MEC (Multi-access Edge Computing)

Year	In/Out	Meeting	Title
2024	Out	MEC043	Media industry segment
2024	Out	MEC043	MEC043 UC on Electronic news gathering