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Content for TS 24.337 Word version: 18.0.0

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6 Roles for registration in the IM CN subsystem for service continuity p. 15

6.1 SC UE p. 15

6.2 SCC AS p. 15

7 Roles for General Capabilities p. 16

7.1 Introduction p. 16

7.2 UE roles p. 16

7.3 AS roles p. 16

7.3.1 Configuration of user preference criteria for routing incoming session requests to a controller capable UE p. 16

7.3.2 Configuration of controller loss preference p. 16

8 Roles for call termination for inter UE transfer p. 16

8.1 Introduction p. 16

8.2 SC UE p. 16

8.3 SCC AS p. 17

8.3.1 Routing incoming session requests to a controller capable UE p. 17

9 Roles for UE discovery for inter-UE transfer p. 17

9.1 Introduction p. 17

9.2 SC UE p. 17

9.3 SCC AS p. 17

10 Roles for inter-UE transfer without establishment of collaborative session p. 18

10.1 Introduction p. 18

10.1A General |R11| p. 18

10.2 SC UE p. 18

10.2.1 SC UE participating in the session to be transferred p. 18

10.2.1.1 Transferor SC UE in services defining only originating session set up in UE p. 18

10.2.1.2 Transferor SC UE in services defining terminating session set up in UE |R11| p. 19

10.2.2 SC UE not participating in the session to be transferred p. 19

10.2.2.1 Transferee SC UE in services defining only originating session set up in UE p. 19

10.2.2.1A Transferee SC UE in services defining terminating session set up in UE |R11| p. 20

10.2.2.2 Inter UE transfer triggered by SC UE not participating in the session p. 20

10.3 SCC AS p. 20

10.3.1 Distinction of requests sent to the SCC AS p. 20

10.3.2 Inter UE transfer request authorization in services defining only originating session set up in UE p. 21

10.3.3 SCC AS procedures for inter UE transfer p. 21

10.3.3.1 Procedures for inter-UE transfer in services defining only originating session set up in UE |R11| p. 21

10.3.3.2 Procedures for inter-UE transfer in services defining terminating session set up in UE |R11| p. 22

10.3.3.3 Procedures for inter-UE transfer triggered by SC UE not participating in the session |R11| p. 22

11 Roles for collaborative session establishment for inter-UE transfer p. 23

11.1 Introduction p. 23

11.2 SC UE p. 23

11.2.1 SC UE procedures for collaborative session establishment by transferring media used in an existing session p. 23

11.2.1.1 Controller UE procedures p. 23

11.2.1.2 Controllee UE procedures p. 24

11.2.2 SC UE procedures for collaborative session establishment with new media p. 24

11.2.2.1 Controller UE procedures p. 24

11.2.2.2 Controllee UE procedures p. 25

11.3 SCC AS p. 25

11.3.1 Distinction of requests sent to the SCC AS p. 25

11.3.2 SCC AS procedures for collaborative session establishment by transferring media p. 26

11.3.3 SCC AS procedures for collaborative session establishment with new media p. 27

12 Roles for media transfer within collaborative session for inter-UE transfer p. 28

12.1 Introduction p. 28

12.2 SC UE p. 29

12.2.1 Procedures for controller UE initiated media transfer from controller UE to controllee UE p. 29

12.2.1.1 Controller UE procedures p. 29

12.2.1.2 Controllee UE procedures p. 29

12.2.2 Procedures for controller UE initiated media transfer from controllee UE to another controllee UE p. 29

12.2.2.1 Controller UE procedures p. 29

12.2.2.2 Controllee UE procedures p. 30

12.3 SCC AS p. 30

12.3.1 Procedures for controller UE initiated media transfer from controller UE to controllee UE p. 30

12.3.2 Procedures for controller UE initiated media transfer from controllee UE to another controllee UE p. 30

13 Roles for release of collaborative session for inter-UE transfer p. 31

13.1 Introduction p. 31

13.2 SC UE p. 32

13.2.1 Procedures for collaborative session release by controller UE p. 32

13.2.1.1 Controller UE p. 32

13.2.1.2 Controllee UE p. 32

13.2.2 Procedures for collaborative session release by remote party p. 32

13.2.2.1 Controller UE p. 32

13.2.2.2 Controllee UE p. 32

13.3 SCC AS p. 32

13.3.1 Procedures for collaborative session release by controller UE p. 32

13.3.2 Procedures for collaborative session release by remote party p. 32

14 Roles for addition and deletion of media within collaborative session for inter-UE transfer p. 32

14.1 Introduction p. 32

14.2 SC UE p. 33

14.2.1 Procedures for adding new media on controllee UE by controller UE p. 33

14.2.2 Procedures for releasing media on controllee UE by controller UE p. 33

14.2.3 Procedures for releasing media on controller UE by controller UE p. 33

14.2.4 Procedures for controller UE to remove a controllee UE from the collaborative session p. 34

14.2.5 Procedures for releasing media component by controllee UE p. 34

14.2.5.1 Controller UE p. 34

14.2.5.2 Controllee UE p. 35

14.2.6 Procedures for modifying media on controllee UE by itself p. 35

14.2.7 Procedures for adding new media by remote UE when the controller UE does not alert the user p. 35

14.2.8 Procedures for releasing media by remote UE p. 36

14.3 SCC AS p. 36

14.3.0 Distinction of requests at the SCC AS p. 36

14.3.1 Procedures for adding new media on controllee UE by controller UE p. 37

14.3.2 Procedures for releasing media on controllee UE by controller UE p. 37

14.3.2A Procedures for releasing media on controller UE by controller UE p. 38

14.3.2B Procedures for controller UE removing controllee UE from the collaborative session p. 38

14.3.3 Procedures for releasing media component initiated by controllee UE p. 39

14.3.4 Procedures for modifying media on controllee UE by itself p. 39

14.3.5 Procedures for adding new media by remote UE when the controller UE does not alert the user p. 40

14.3.6 Procedures for releasing media by remote UE p. 41