ETSI TS 132 255 V16.7.0 (2021-01)

5G; Telecommunication management; Charging management; 5G data connectivity domain charging; Stage 2 (3GPP TS 32.255 version 16.7.0 Release 16)

RTS/TSGS-0532255vg70

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 5 - Telecom Management
• Current Stage: 12 - Completion
• Completion Date: 12-Jan-2021

Standards Content (Sample)

ETSI TS 132 255 V16.7.0 (2021-01)






TECHNICAL SPECIFICATION
5G;
Telecommunication management;
Charging management;
5G data connectivity domain charging;
Stage 2
(3GPP TS 32.255 version 16.7.0 Release 16)

---------------------- Page: 1 ----------------------
3GPP TS 32.255 version 16.7.0 Release 16 1 ETSI TS 132 255 V16.7.0 (2021-01)



Reference
RTS/TSGS-0532255vG70
Keywords
5G
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3GPP TS 32.255 version 16.7.0 Release 16 2 ETSI TS 132 255 V16.7.0 (2021-01)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Legal Notice
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 3GPP and ETSI identities can be found under http://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

---------------------- Page: 3 ----------------------
3GPP TS 32.255 version 16.7.0 Release 16 3 ETSI TS 132 255 V16.7.0 (2021-01)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope. . 8
2 References . 8
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Symbols . 9
3.3 Abbreviations . 10
4 Architecture considerations . 10
4.1 High-level 5G System architecture . 10
4.1.1 Non-roaming reference architecture . 10
4.1.2 Roaming Home Routed reference architecture . 11
4.1.3 Interworking with EPC architecture . 11
4.1.4 Architecture reference for Non-3GPP Accesses . 12
4.1.5 Architecture for deployments topologies with specific SMF Service Areas . 13
4.1.5.1 Non-roaming architecture with an I-SMF insertion without ULCL/BP . 13
4.1.5.2 Non-roaming architecture with an I-SMF insertion with ULCL/BP . 13
4.1.6 Architecture reference for ATSSS support . 14
4.1.7 Architecture reference for Wireline Access network . 14
4.2 5G data connectivity domain converged charging architecture . 15
5 5G data connectivity charging principles and scenarios . 16
5.1 5G data connectivity charging principles . 16
5.1.1 General . 16
5.1.2 Requirements . 16
5.1.3 Charging information . 17
5.1.4 Charging Identifier . 18
5.1.5 PCC rules and charging . 18
5.1.5.1 PCC rules and chargeable events . 18
5.1.5.2 Specific PCC rules scenarios. 19
5.1.5.3 PCC rules - MA PDU session . 19
5.1.6 Session and Service Continuity modes . 19
5.1.7 UE Presence in Presence Reporting Area (PRA) . 19
5.1.8 CHF selection . 20
5.1.9 Roaming . 20
5.1.9.1 General . 20
5.1.9.2 CHF selection . 21
5.1.10 Data Volume Reporting for Secondary RAT usage . 21
5.1.11 Charging method and Charging service selection . 21
5.1.12 Emergency PDU session handling . 22
5.1.13 Support of deployments topologies with specific SMF Service Areas . 22
5.2 5G data connectivity converged online and offline charging scenarios . 22
5.2.1 Basic principles . 22
5.2.1.1 General . 22
5.2.1.2 Applicable Triggers in the SMF . 23
5.2.1.2.1 General . 23
5.2.1.2.2 Flow Based Charging (FBC) triggers . 24
5.2.1.2.2 QoS flow Based Charging (QBC) triggers . 24
5.2.1.3 PDU session charging . 24
5.2.1.4 Flow Based Charging (FBC) . 24
5.2.1.5 SSC Mode and Triggers . 33
5.2.1.6 QoS flow Based Charging . 35
ETSI

---------------------- Page: 4 ----------------------
3GPP TS 32.255 version 16.7.0 Release 16 4 ETSI TS 132 255 V16.7.0 (2021-01)
5.2.1.7 Roaming QoS flow Based charging (QBC) . 40
5.2.1.8 Termination action . 40
5.2.1.9 Sponsored data connectivity charging . 41
5.2.1.10 Branching point or UL CL controlled by I-SMF. 41
5.2.1.11 CHF-Controlled Quota Management . 41
5.2.2 Message flows . 42
5.2.2.1 General . 42
5.2.2.2 PDU session charging from SMF . 42
5.2.2.2.1 General . 42
5.2.2.2.2 PDU session establishment . 42
5.2.2.3 PDU session charging SSC Mode 1 from SMF . 44
5.2.2.3.1 General . 44
5.2.2.3.2 PDU session charging SSC Mode 1 . 44
5.2.2.4 PDU session Charging SSC Mode 2 from SMF . 45
5.2.2.4.1 General . 45
5.2.2.4.2 PDU session Charging SSC Mode 2 . 45
5.2.2.5 PDU session Charging SSC Mode 3 from SMF . 47
5.2.2.5.1 General . 47
5.2.2.5.2 PDU session Charging SSC Mode 3 . 47
5.2.2.6 PDU session Charging SSC Mode 3 IPv6 Multi Homed from SMF . 48
5.2.2.6.1 General . 48
5.2.2.6.2 PDU session Charging SSC Mode 3 IPv6 Multi Homed . 48
5.2.2.7 Addition of additional PDU Session Anchor and Branching Point or UL CL . 50
5.2.2.8 Removal of additional PDU Session Anchor and Branching Point or UL CL . 51
5.2.2.9 Change of additional PDU Session Anchor for IPv6 multi-homing or UL CL . 52
5.2.2.10 Simultaneous change of Branching Point or UL CL and additional PSA for a PDU Session. 53
5.2.2.11 PDU session charging for interworking with EPC . 55
5.2.2.11.1 General . 55
5.2.2.11.2 5GS to EPS handover using N26 interface . 56
5.2.2.11.3 EPS to 5GS handover using N26 interface . 57
5.2.2.11.4 Handover Cancel . 58
5.2.2.11.5 EPS to 5GS mobility without N26 interface . 59
5.2.2.11.6 5GS to EPS mobility without N26 interface . 60
5.2.2.11.7 EPS to 5GS handover for roaming in Home routed scenario . 61
5.2.2.11.8 Handover from EPC/ePDG to 5GS . 62
5.2.2.11.9 Handover from 5GS to EPC/ePDG . 63
5.2.2.12 PDU session charging for roaming in Home routed scenario . 64
5.2.2.12.1 General . 64
5.2.2.12.2 PDU session establishment . 64
5.2.2.12.3 PDU session modification . 66
5.2.2.12.4 PDU session release . 67
5.2.2.13 PDU session charging - non-3GPP access . 68
5.2.2.13.1 General . 68
5.2.2.13.2 PDU session establishment . 69
5.2.2.13.3 PDU session modification . 70
5.2.2.13.4 PDU session release . 71
5.2.2.14 PDU session served by I-SMF and SMF. 72
5.2.2.14.1 General . 72
5.2.2.14.2 PDU session establishment with I-SMF insertion . 72
5.2.2.14.3 PDU Session modification procedure with I-SMF involved . 74
5.2.2.14.4 PDU Session release procedure with I-SMF involved . 76
5.2.2.14.5 PDU Session procedures with I-SMF insertion/change/removal . 77
5.2.2.14.6 5GS to EPS handover using N26 interface with I-SMF removal . 79
5.2.2.14.7 EPS to 5GS handover using N26 interface with I-SMF insertion . 80
5.2.2.14.8 Addition/removal/change of PSA and UL CL or BP controlled by I-SMF . 80
5.2.2.14.9 Roaming Home routed PDU session - inter-PLMN V-SMF change . 82
5.2.2.14.10 Roaming Home routed PDU session - intra-PLMN V-SMF change . 83
5.2.2.15 PDU session charging from SMF - ATSSS . 84
5.2.2.15.1 General . 84
5.2.2.15.2 UE requested MA PDU session establishment . 84
5.2.2.15.3 UE requested PDU session establishment with Network Modification to MA PDU Session . 86
ETSI

---------------------- Page: 5 ----------------------
3GPP TS 32.255 version 16.7.0 Release 16 5 ETSI TS 132 255 V16.7.0 (2021-01)
5.2.2.15.4 UE Requested PDU Session Establishment with Network Modification to MA PDU Session -
roaming in Home routed scenario . 87
5.2.2.15.4.1 UE registered to the same VPLMN over 3GPP access and non-3GPP access . 87
5.2.2.15.5 UE requested MA PDU session establishment - roaming in Home routed scenario . 87
5.2.2.15.5.1 General . 87
5.2.2.15.5.2 UE registered to the same VPLMN over 3GPP access and non-3GPP access . 87
5.2.2.15.6 EPS interworking. 89
5.2.2.15.6.1 5GS to EPS handover using N26 interface . 89
5.2.2.15.6.2 5GS to EPS mobility without N26 interface . 89
5.2.2.15.7 Hybrid Access with Multi-Access PDU Session connectivity over NG-RAN and W-5GAN . 90
5.2.2.15.8 Hybrid Access with multi-access connectivity over E-UTRAN/EPC and W-5GAN . 90
5.2.2.16 PDU session charging – wireline access . 92
5.2.2.16.1 General . 92
5.2.2.16.2 5G-RG Requested PDU Session Establishment via W-5GAN . 93
5.2.2.16.3 FN-RG related PDU Session Establishment via W-5GAN . 93
5.2.2.16.4 Handover procedure . 94
5.2.2.16.4.1 5G RG handover of a PDU Session procedure from W-5GAN access to 3GPP access . 94
5.2.2.16.4.2 5G RG handover of a PDU Session procedure from 3GPP to W-5GAN access . 95
5.2.3 CDR generation . 96
5.2.3.1 Introduction . 96
5.2.3.2 Triggers for CHF CDR . 96
5.2.3.2.1 General . 96
5.2.3.2.2 Triggers for CHF CDR charging information addition . 97
5.2.3.2.3 Triggers for CHF CDR partial record closure . 97
5.2.3.2.4 Triggers for CHF CDR closure . 98
5.2.3.3 Triggers for CHF CDR for roaming QBC. 98
5.2.3.3.1 General . 98
5.2.3.3.2 Triggers for CHF CDR charging information addition for roaming QBC . 98
5.2.3.3.3 Triggers for CHF CDR partial record closure for roaming QBC . 99
5.2.3.3.4 Triggers for roaming QBC CHF CDR closure . 99
5.2.4 Ga record transfer flows . 99
5.2.5 Bd CDR file transfer . 99
6. Definition of charging information . 100
6.1 Data description for 5G data connectivity charging . 100
6.1.1 Message contents . 100
6.1.1.1 General . 100
6.1.1.2 Charging Data Request message . 101
6.1.1.3 Charging data response message . 102
6.1.2 Ga message contents . 102
6.1.3 CDR description on the B interface . 102
d
6.1.3.1 General . 102
6.1.3.2 PDU session charging CHF CDR data . 102
6.1.3.3 Roaming QBC CHF CDR data . 105
6.2 5G data connectivity charging specific parameters . 105
6.2.1 Definition of 5G data connectivity charging information . 105
6.2.1.1 General . 105
6.2.1.2 Definition of PDU session charging information . 106
6.2.1.3 Definition of PDU Container information . 109
6.2.1.4 Definition of roaming QBC information . 110
6.2.1.5 Definition of QFI Container information . 110
6.2.2 Detailed message format for converged charging . 111
6.2.3 Formal 5G data connectivity charging parameter description . 116
6.2.3.1 5G data connectivity CHF CDR parameters . 116
6.2.3.2 5G data connectivity resources attributes . 116
Annex A (normative): Charging Characteristics . 117
A.1 General .
...