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Content for TR 22.854 Word version: 17.1.0

0… 5… 7…

5.1 MPS for MMTEL voice during international roaming 5.2 MPS for MMTEL voice or voice conference call termination to a UE 5.3 MPS for MMTEL voice invoked from a public UE 5.4 MPS MMTEL voice conference call using a public UE 5.5 MMTEL voice conference host invocation of MPS for all participants 6.1 Basic DTS invoked from an MPS subscribed UE 6.2 DTS invocation from a MPS subscribed UE for VPN access to an enterprise network 6.3 MPS capable enterprise network activation of DTS for MPS subscribed UEs 6.4 DTS invoked during international roaming 6.5 DTS invoked from a public UE 6.6 DTS invoked from an IoT device 6.7 MPS capable enterprise network activation of DTS for MPS subscribed IoT devices 6.8 MPS for DTS QoS and media encryption modifications

5 MPS for voice use cases p. 10

5.1 MPS for MMTEL voice during international roaming p. 10

5.1.1 Description p. 10

5.1.2 Pre-conditions p. 10

5.1.3 Service flows p. 11

5.1.4 Post-conditions p. 11

5.1.5 Potential impacts or interactions with existing services/features p. 11

5.1.6 Potential requirements p. 11

5.2 MPS for MMTEL voice or voice conference call termination to a UE p. 12

5.2.1 Description p. 12

5.2.2 Pre-conditions p. 13

5.2.3 Service flows p. 13

5.2.4 Post-conditions p. 14

5.2.5 Potential impacts or interactions with existing services/features p. 14

5.2.6 Potential requirements p. 14

5.3 MPS for MMTEL voice invoked from a public UE p. 14

5.3.1 Description p. 14

5.3.2 Pre-conditions p. 15

5.3.3 Service flows p. 15

5.3.4 Post-conditions p. 15

5.3.5 Potential impacts or interactions with existing services/features p. 15

5.3.6 Potential requirements p. 16

5.4 MPS MMTEL voice conference call using a public UE p. 16

5.4.1 Description p. 16

5.4.2 Pre-conditions p. 17

5.4.3 Service flows p. 17

5.4.4 Post-conditions p. 17

5.4.5 Potential impacts or interactions with existing services/features p. 17

5.4.6 Potential requirements p. 17

5.5 MMTEL voice conference host invocation of MPS for all participants p. 18

5.5.1 Description p. 18

5.5.2 Pre-conditions p. 18

5.5.3 Service flows p. 19

5.5.4 Post-conditions p. 19

5.5.5 Potential impacts p. 19

5.5.6 Potential new requirements needed to support the use case p. 19

6 MPS for DTS use cases p. 20

6.1 Basic DTS invoked from an MPS subscribed UE p. 20

6.1.1 Description p. 20

6.1.2 Pre-conditions p. 20

6.1.3 Service flows p. 20

6.1.4 Post-conditions p. 21

6.1.5 Potential impacts or interactions with existing services/features p. 21

6.1.6 Potential requirements p. 21

6.2 DTS invocation from a MPS subscribed UE for VPN access to an enterprise network p. 22

6.2.1 Description p. 22

6.2.2 Pre-conditions p. 22

6.2.3 Service flows p. 22

6.2.4 Post-conditions p. 23

6.2.5 Potential impacts or interactions with existing services/features p. 23

6.2.6 Potential requirements p. 23

6.3 MPS capable enterprise network activation of DTS for MPS subscribed UEs p. 24

6.3.1 Description p. 24

6.3.2 Pre-conditions p. 24

6.3.3 Service flows p. 24

6.3.4 Post-conditions p. 25

6.3.5 Potential impacts or interactions with existing services/features p. 25

6.3.6 Potential requirements p. 25

6.4 DTS invoked during international roaming p. 25

6.4.1 Description p. 25

6.4.2 Pre-conditions p. 26

6.4.3 Service flows p. 26

6.4.4 Post-conditions p. 27

6.4.5 Potential impacts or interactions with existing services/features p. 27

6.4.6 Potential requirements p. 27

6.5 DTS invoked from a public UE p. 27

6.5.1 Description p. 27

6.5.2 Pre-conditions p. 28

6.5.3 Service flows p. 28

6.5.4 Post-conditions p. 28

6.5.5 Potential impacts or interactions with existing services/features p. 28

6.5.6 Potential requirements p. 29

6.6 DTS invoked from an IoT device p. 29

6.6.1 Description p. 29

6.6.2 Pre-conditions p. 29

6.6.3 Service flows p. 30

6.6.4 Post-conditions p. 30

6.6.5 Potential impacts or interactions with existing services/features p. 30

6.6.6 Potential requirements p. 30

6.7 MPS capable enterprise network activation of DTS for MPS subscribed IoT devices p. 30

6.7.1 Description p. 30

6.7.2 Pre-conditions p. 31

6.7.3 Service flows p. 31

6.7.4 Post-conditions p. 32

6.7.5 Potential impacts or interactions with existing services/features p. 32

6.7.6 Potential requirements p. 32

6.8 MPS for DTS QoS and media encryption modifications p. 32

6.8.1 Description p. 32

6.8.2 Pre-conditions p. 33

6.8.3 Service flows p. 33

6.8.4 Post-conditions p. 33

6.8.5 Potential impacts or interactions with existing services/features p. 33

6.8.6 Potential requirements p. 33