10 Non-3GPP access

22.1533GPPMultimedia priority serviceRelease 19TS

10.1 MPS when access to the EPC/5GC is WLAN

MPS can be supported for MMTEL voice/video calls and data sessions when the access to the EPC/5GC is WLAN and the 3GPP system is used for the MPS authorization. In this case, MPS priority treatment can be provided by:

– both the WLAN access and the EPC/5GC (i.e., when the WLAN supports MPS), or

– only the EPC/5GC (i.e., when the WLAN does not support MPS).

The following subclauses provide requirements specific to WLAN access to EPC/5GC.

10.1.1 MPS for MMTEL voice and video

10.1.1.1 General

For a UE with WLAN access to the EPC/5GC, the system shall support the requirements in clauses 9.1 and 9.2 for MMTEL voice and voice conference calls and MMTEL video and video conference calls by an authorized MPS Service User using

– a UE with a subscription for MPS, and

– a UE that does not have an MPS subscription.

The system shall support the requirements in clauses 9.1 and 9.2 for MPS for MMTEL voice and voice conference calls and MPS for MMTEL video and video conference calls terminating to a UE with WLAN access to the EPC/5GC regardless of the terminating UE subscription for MPS.

10.1.1.2 Authentication and authorization

For a UE with a 3GPP subscription for MPS and with WLAN access to the EPC/5GC, the system shall support MPS for MMTEL voice/video authorization based on the UE subscription information.

For a UE that does not have a 3GPP subscription for MPS and with WLAN access to the EPC/5GC, the system shall support MPS for MMTEL voice/video authorization based on Service User credentials not associated with the UE (e.g., a calling card number, PIN or security token).

10.1.1.3 WLAN Interworking

For a UE with WLAN access to the EPC/5GC, the 3GPP system shall support delivery of the following to the WLAN:

– indication of MPS for MMTEL voice/video authorization,

– priority marking of transport parameters of MPS for MMTEL voice/video signalling and media, and

– QoS characteristics of MPS for MMTEL voice/video signalling and media.

10.1.2 MPS for DTS

10.1.2.1 General

For a UE or IoT device with WLAN access to the EPC/5GC, the system shall support the requirements in clause 9.3 on MPS for DTS sessions for:

– an authorized Service User using a UE with a subscription for MPS,

– an authorized Service User using a UE that does not have an MPS subscription,

– an authorized IoT device with a subscription for MPS, and

– an authorized enterprise network activation of MPS for DTS for remote MPS subscribed UEs/IoT devices associated with the enterprise network.

10.1.2.2 Authentication and authorization

For a UE or IoT device with a 3GPP subscription for MPS and with WLAN access to the EPC/5GC, the system shall support MPS for DTS authorization based on the UE subscription information.

For a UE that does not have a 3GPP subscription for MPS and with WLAN access to the EPC/5GC, the system shall support MPS for DTS authorization based on Service User credentials not associated with the UE (e.g., a calling card number, PIN or security token).

For an authorized enterprise network that is activating MPS for DTS for a remote UE or IoT device with a 3GPP subscription for MPS, the system shall support MPS for DTS authorization based on the UE or IoT device subscription information.

10.1.2.3 WLAN interworking

For a UE or IoT with WLAN access to the EPC/5GC, the 3GPP system shall support delivery of the following to the WLAN:

– indication of MPS for DTS authorization,

– priority marking of transport parameters of MPS for DTS signalling and media, and

– QoS characteristics of MPS for DTS signalling and media.

10.1.3 Non-seamless WLAN Offload (NSWO)

Non-Seamless WLAN Offload (NSWO) can be used by operators to offload selected traffic to a WLAN based on operator policy and roaming agreements for WLAN access (i.e., WLAN access to an EPC). A UE or IoT device with a 3GPP subscription for MPS can be authorized for priority NSWO data fraffic (e.g., Internet traffic).

NOTE: In the NSWO case, the only aspects in scope are those pertaining to use of the 3GPP system for verification of 3GPP subscription for MPS.

For a UE or IoT device with a 3GPP subscription for MPS and with WLAN access to the EPC/5GC, the system shall support delivery of indication of MPS authorization based on operator policies and roaming agreements.

Annex A (informative):
Change history

Change history

TSG SA#

SA Doc.

SA1 Doc

Spec

CR

Rev

Rel

Cat

Subject/Comment

Old

New

WI

SP-37

SP-070576

22.146

Rel-8

Raised to v.2.0.0 by MCC for approval as v.8.0.0

1.3.0

2.0.0

PRIOR

SP-37

22.146

Rel-8

Raised to v.8.0.0 by MCC following SA#37 approval

2.0.0

8.0.0

PRIOR

SP-40

SP-080305

S1-080438

22.153

0004

Rel-8

D

CR to TS 22.153 on applicability of MPS

8.0.0

8.1.0

PRIOR

SP-40

SP-080310

S1-080727

22.153

0003

1

Rel-9

B

CR to TS 22.153 on an optional service invocation method for MPS

8.0.0

9.0.0

ePRIOR

SP-41

SP-080494

22.153

0006

1

Rel-9

A

Trusted domain support

9.0.0

9.1.0

PRIOR

SP-42

SP-080778

S1-084394

22.153

0007

3

Rel-9

F

Correction to priority levels and networks

9.1.0

9.2.0

EPRIOR

SP-42

SP-080778

S1-084365

22.153

0008

1

Rel-9

C

Indication of MPS

9.1.0

9.2.0

EPRIOR

SP-47

SP-100188

S1-100101

22.153

0011

Rel-10

F

Clarification of MPS Service Aspects – Video and Data Bearer service

9.2.0

10.0.0

TEI10

SP-47

SP-100188

S1-100458

22.153

0012

3

Rel-10

B

Priority for data bearer services

9.2.0

10.0.0

TEI10

SP-49

SP-100580

S1-102180

22.153

0013

Rel-10

B

Priority for data bearer services

10.0.0

10.1.0

TEI10

SP-51

SP-110172

S1-110182

22.153

0014

2

Rel-11

F

Clarifying PS to CS handover requirements for multimedia priority calls

10.1.0

11.0.0

TEI11

SP-52

SP-110376

S1-111413

22.153

0016

1

Rel-11

B

Priority treatment for Network Management functions

11.0.0

11.1.0

TEI11

SP-52

SP-110376

S1-111414

22.153

0017

1

Rel-11

C

Clarification of Priority Information

11.0.0

11.1.0

TEI11

2014-10

Update to Rel-12 version (MCC)

11.1.0

12.0.0

2015-06

Update to Rel-13 version (MCC)

12.0.0

13.0.0

SP-68

SP-150270

S1-151607

22.153

0019

3

Rel-14

C

Additions to MPS description

12.0.0

14.0.0

MPS_Mods

SP-68

SP-150270

S1-151540

22.153

0020

2

Rel-14

C

MPS Policy Control

12.0.0

14.0.0

MPS_Mods

SP-68

SP-150270

S1-151542

22.153

0021

2

Rel-14

C

Priority in Advance of Service Invocation

12.0.0

14.0.0

MPS_Mods

SP-69

SP-150537

S1-152174

22.153

0022

Rel-14

F

MPS exemption from load rebalancing

14.0.0

14.1.0

MPS_Mods

SP-69

SP-150537

S1-152681

22.153

0024

3

Rel-14

F

MPS priority during initial Attach

14.0.0

14.1.0

MPS_Mods

SP-70

SP-150751

S1-154442

22.153

0025

1

Rel-14

F

Addition of end-to-end-cases in general description

14.1.0

14.2.0

MPS_Mods

SP-70

SP-150751

S1-154443

22.153

0026

1

Rel-14

F

Clarification of high level MPS requirements.

14.1.0

14.2.0

MPS_Mods

SP-70

SP-150751

S1-154444

22.153

0027

1

Rel-14

F

Fix inconsistent requirements on invocation of MPS priority.

14.1.0

14.2.0

MPS_Mods

SP-70

SP-150751

S1-154445

22.153

0028

1

Rel-14

B

MPS security requirements

14.1.0

14.2.0

MPS_Mods

SP-71

SP-160097

S1-160332

22.153

0029

1

Rel-14

F

Text alignment for terminating UE option

14.2.0

14.3.0

MPS_Mods

SP-71

SP-160097

S1-160333

22.153

0030

1

Rel-14

F

Update to Priority Data Bearer Service

14.2.0

14.3.0

MPS_Mods

SP-71

SP-160097

S1-160334

22.153

0031

1

Rel-14

B

MPS Anonymity Requirement

14.2.0

14.3.0

MPS_Mods

SP-72

SP-160356

S1-161096

22.153

0032

Rel-14

D

Editorial Corrections

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161097

22.153

0033

Rel-14

F

Update to Handover Materials

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161099

22.153

0035

Rel-14

F

Update on Number of Priority Levels

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161102

22.153

0038

Rel-14

F

Clarification of CS Domain Interworking

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161442

22.153

0036

1

Rel-14

F

Alignment of requirement for priority before service invocation

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161443

22.153

0037

1

Rel-14

F

MPS priority for CS fallback

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161445

22.153

0040

1

Rel-14

F

Correction of MPS Roaming Requirement

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161558

22.153

0039

3

Rel-14

B

QoS for MPS

14.3.0

14.4.0

MPS_Mods

SP-72

SP-160356

S1-161559

22.153

0034

2

Rel-14

B

Service code for MPS

14.3.0

14.4.0

MPS_Mods

2018-06

Rel-15

Raised to Rel-15 by MCC

14.4.0

15.0.0

2019-09

Rel-16

Created by MCC due to Rel-17 CR#0041 and 42

15.0.0

16.0.0

Change history

Date

Meeting

TDoc

CR

Rev

Cat

Subject/Comment

New version

2019-09

SA#85

SP-190867

0041

3

B

Common MPS Voice, Video and Data updates based on TR 22.854, MPS Phase 2 Feasibility Study

17.0.0

2019-09

SA#85

SP-190806

0042

2

B

MPS service specific updates based on TR 22.854, MPS Phase 2 Feasibility Study

17.0.0

2019-12

SA#86

SP-191018

0044

1

D

Editorial clean-up to close out MPS Phase 2 additions

17.1.0

2019-12

SA#86

SP-191018

0045

3

B

Attestation of Authorized MPS Priority Markings

17.1.0

2019-12

SA#86

SP-191018

0046

1

B

Addition of requirements to upgrade an established MMTEL voice call to MPS

17.1.0

2019-12

SA#86

SP-191018

0043

3

F

Clarifications on MPS2 requirements and terminology

17.1.0

2020-12

SA#90e

SP-201027

47

0

D

Editorial Cleanup of MPS Phase 2 Additions

17.2.0

2020-12

SA#90e

SP-201027

48

1

F

Alignment of descriptive text with associated requirement for MPS invocation from a non-subscribed UE

17.2.0

2021-09

SA#93e

SP-211072

0049

1

B

MPS when access to EPC/5GC is WLAN (MPS_WLAN)

18.0.0

2021-09

SA#93e

SP-211039

0050

1

B

Fallback in 5GS

18.0.0

2021-12

SP-94

SP-211492

0052

1

D

Editorial correction of reference (Rel-18 Mirror)

18.1.0

2021-12

SP-94

SP-211492

0054

1

F

MPS for DTS description alignment (Rel-18 Mirror)

18.1.0

2021-12

SP-94

SP-211501

0055

1

B

MPS and Supplementary Services Interactions

18.1.0

2022-09

SA#97

SP-220940

0056

1

B

MPS for Messaging services

19.0.0