SA4#135-bis-e Meeting Agenda Summary

Document type: Meeting agenda for approval (SA4#135-bis-e)

Meeting format: Electronic meeting, 10–17 April 2026 (opening 14:00 CEST Tuesday, closing 18:00 CEST Friday)

Key Administrative Points

• Document submission deadline: 7 April 2026, 23:59 CEST — late submissions will not be handled
• Meeting counts toward voting rights maintenance (SWG attendance does not)
• Input documents should be registered primarily under AI 6, 7–11, or 18

E-Meeting Process (agreed at SA4#135)

• Friday 7 May: Email agreements on FS_6G_MED only
• Monday 13th: Online sessions dedicated to FS_6G_MED; SWG email agreements triggered
• Tue–Thu 14–16th: Online SWG sessions
• Friday 17th: Closing plenary

Active Work Items (Rel-20 Features)

• DaCAS – Diverse Audio Capturing System for UEs
• AIML_IMS-MED – Media aspects for AI/ML in IMS services
• ATIAS_Ph3 – Terminal audio quality/test methods for immersive audio

Active Study Items

• Audio: FS_ACAPI (Audio Codec APIs), FS_ULBC (Ultra Low Bitrate Speech Codec)
• MBS: FS_Energy_Ph2_MED, FS_AMD_Ph2, FS_QStream_MED (QUIC for video streaming)
• Video: FS_AVFOPS_MED, FS_3DGS_MED (3D Gaussian Splats), FS_AIF_MED, FS_Avatar_Ph2_MED
• RTC: FS_DCTC_eQOS_MED, FS_Q4RTC_MED (QUIC for RTC), FS_DCE_MED (IMS DC Enhancements)
• SA4-level: FS_6G_MED (Media aspects for 6G)

New Work

• AI 18 covers proposals for new Rel-20 5G-Advanced WIs/SIs and new Rel-20 6G SIs