TR 22.854 ★
Feasibility Study on
Multimedia Priority Service (MPS) Phase 2

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V17.1.0 (Wzip) 2019/12 62 p.

essential Table of Contents for TR 22.854 Word version: 17.1.0

each title, in the ┃ or ┃ area, links to the equivalent title in the CONTENT

2 References Word‑p. 8

3 Definitions and abbreviations Word‑p. 9

4 Overview Word‑p. 9

5 MPS for voice use cases Word‑p. 10

5.1 MPS for MMTEL voice during international roaming Word‑p. 10

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

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

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

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

6 MPS for DTS use cases Word‑p. 20

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

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

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

6.4 DTS invoked during international roaming Word‑p. 25

6.5 DTS invoked from a public UE Word‑p. 27

6.6 DTS invoked from an IoT device Word‑p. 29

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

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

7 MPS for video use cases Word‑p. 34

7.1 MPS for MMTEL video call invoked from a MPS subscribed UE Word‑p. 34

7.2 MPS for MMTEL video invoked from a public UE Word‑p. 36

7.3 MPS for MMTEL video call during international roaming Word‑p. 37

7.4 MPS MMTel video conference call using a MPS subscribed UE Word‑p. 40

7.5 MPS MMTEL video conference call using a public UE Word‑p. 42

7.6 MMTEL video conference host invocation of MPS for all participants Word‑p. 44

7.7 MPS for MMTEL video conference during international roaming Word‑p. 46

7.8 MPS for MMTEL video or video conference termination to a UE Word‑p. 48

7.9 MPS for streaming video communications Word‑p. 51

8 Security considerations Word‑p. 52

8.1 Attestation of authorized MPS priority Word‑p. 52

9 Potential requirements Word‑p. 54

9.1 MPS for MMTEL voice consolidated requirements Word‑p. 54

9.2 MPS for DTS consolidated requirements Word‑p. 56

9.3 MPS for video consolidated requirements Word‑p. 58

9.4 Consolidated security considerations requirements Word‑p. 61

10 Conclusion and recommendations Word‑p. 61

$ Change history Word‑p. 62