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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Telecommunication management;
Charging management;
IP Multimedia Subsystem (IMS) charging
(3GPP TS 32.260 version 15.2.0 Release 15)
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3GPP TS 32.260 version 15.2.0 Release 15 1 ETSI TS 132 260 V15.2.0 (2019-05)
Reference
RTS/TSGS-0532260vf20
Keywords
GSM,LTE,UMTS
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All rights reserved.
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DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.
TM TM
3GPP and LTE are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
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GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
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3GPP TS 32.260 version 15.2.0 Release 15 2 ETSI TS 132 260 V15.2.0 (2019-05)
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.
Foreword
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, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
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
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3GPP TS 32.260 version 15.2.0 Release 15 3 ETSI TS 132 260 V15.2.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope . 8
2 References . 9
3 Definitions, symbols and abbreviations . 12
3.1 Definitions . 12
3.2 Symbols . 12
3.3 Abbreviations . 12
4 Architecture considerations . 14
4.1 High level IMS architecture . 14
4.2 IMS offline charging architecture. 15
4.3 IMS online charging architecture . 16
5 Charging principles . 17
5.1 IMS charging principles . 17
5.1.0 Introduction. 17
5.1.1 IMS charging applicability . 17
5.1.2 IMS charging correlation . 17
5.1.2.1 Basic principles for IMS domain correlation . 17
5.1.2.2 IMS Charging Identifier . 18
5.1.2.2A Related ICID . 18
5.1.2.3 Access network charging identifier . 18
5.1.2.4 Inter Operator Identifier . 18
5.1.2.5 Void. 19
5.1.2.6 IMS visited network identifier . 19
5.1.2.7 Loopback-indication . 19
5.1.2.8 Functional Entity (FE) Identifier List . 19
5.1.3 SDP handling . 19
5.1.4 Trigger conditions . 19
5.1.5 IMS support of real-time tariff transfer . 20
5.1.6 Served user identification . 20
5.1.7 Single charging session from AS/ATCF acting as B2BUA . 21
5.1.8 Charging support for roaming architecture for voice over IMS with local breakout . 22
5.1.8A Charging support for roaming architecture for voice over IMS with home routed traffic . 22
5.1.9 Charging support for Network provided Location information . 24
5.1.9.1 User location retrieval by IMS Nodes . 24
5.1.9.2 User location information content . 24
5.1.9.3 User location Access charging . 24
5.1.9A Charging support for IMS transit scenarios . 25
5.1.10 Charging support for TRF . 25
5.1.11 Charging support for IMS service continuity . 25
5.1.12 IMS support of OCS-provided announcements . 25
5.1.13 Charging support of UE location(s) and TimeZone(s). 25
5.2 IMS offline charging principles . 27
5.2.1 Basic principles . 27
5.2.2 Message flows and types . 28
5.2.2.0 Introduction. 28
5.2.2.1 Message flows - successful cases and scenarios . 28
5.2.2.1.1 Session establishment - mobile origination . 28
5.2.2.1.2 Session establishment - mobile termination . 32
5.2.2.1.3 Mid-session procedures . 33
5.2.2.1.4 Session release - mobile initiated . 35
ETSI
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3GPP TS 32.260 version 15.2.0 Release 15 4 ETSI TS 132 260 V15.2.0 (2019-05)
5.2.2.1.5 Session-unrelated procedures . 37
5.2.2.1.6 Session establishment - PSTN initiated . 38
5.2.2.1.7 Session establishment - IMS i nitiated . 39
5.2.2.1.8 Session release - PSTN initiated . 40
5.2.2.1.9 Session release - IMS initiated . 41
5.2.2.1.10 Multi-Party call . 42
5.2.2.1.11 AS related procedures - AS acting as a redirect server . 45
5.2.2.1.12 AS related procedures - AS acting as a voice mail server . 46
5.2.2.1.13 AS Related Procedures - AS Acting as a SCC AS . 47
5.2.2.1.13.0 Introduction . 47
5.2.2.1.13.1 UE originating call (PS only or CS only). 47
5.2.2.1.13.2 UE originating call (PS and CS combined origination) . 49
5.2.2.1.13.3 UE terminating call (PS only or CS only) . 52
5.2.2.1.13.4 UE terminating call (PS and CS combined origination) . 54
5.2.2.1.13.5 Session transfer from PS to CS . 57
5.2.2.1.13.6 Session transfer from CS to PS . 59
5.2.2.1.13.7 Session transfer from PS to (CS+PS) . 61
5.2.2.1.13.8 Session transfer from (CS+PS) to PS . 64
5.2.2.1.13.9 IMS emergency session transfer from PS to CS . 67
5.2.2.1.13.10 Inter-UE transfer triggered by target UE without collaborative session establishment . 68
5.2.2.1.14 Initiating alternate charged party call . 72
5.2.2.1.15 Session establishment via IBCF to S-CSCF - IMS initiated . 74
5.2.2.1.16 AS related procedures - AS acting as a MMTel AS. . 75
5.2.2.1.17 Session establishment via IBCF to a third party AS providing tariff information in real time
(RTTI) . 75
5.2.2.1.18 Third party AS providing tariff information in real time (RTTI) during the session . 76
5.2.2.1.19 Support of Optimal Media Routing (OMR) . 77
5.2.2.1.19.0 Introduction . 77
5.2.2.1.19.1 IMS-ALG related procedures for OMR – Session establishment and IMS-ALG bypasses
its local GW . 78
5.2.2.1.19.2 IMS-ALG related procedures for OMR – session establishment and alternate IP realm is
selected . 81
5.2.2.1.19.3 IMS-ALG related procedures for OMR – mid-session procedure . 83
5.2.2.1.19.4 IMS-ALG related procedures for OMR – transcoding . 84
5.2.2.1.19.4.0 Introduction . 84
5.2.2.1.19.4.1 IMS-ALG Related Procedures for OMR – transcoder provided by IMS-ALG . 84
5.2.2.1.19.4.2 IMS-ALG related procedures for OMR – transcoder offered by IMS-ALG but not
selected . 86
5.2.2.1.20 AS acting as a B2BUA – single charging session . 88
5.2.2.1.21 Session establishment for roaming architecture for voice over IMS with local breakout . 90
5.2.2.1.22 Service continuity using ATCF . 92
5.2.2.1.22.0 Introduction . 92
5.2.2.1.22.1 UE originating call (CS only) through ATCF . 92
5.2.2.1.22.1A UE originating call (PS only) through ATCF . 94
5.2.2.1.22.2 UE terminating call (CS only) through ATCF . 94
5.2.2.1.22.2A UE terminating call (PS only) through ATCF . 96
5.2.2.1.22.3 UE session transfer PS to CS using ATCF . 97
5.2.2.1.22.4 UE session transfer CS to PS using ATCF . 98
5.2.2.2 Message flows - error cases and scenarios . 100
5.2.2.2.0 Introduction . 100
5.2.2.2.1 Session related SIP procedures- reception of SIP error messages . 100
5.2.2.2.2 Session related SIP procedures - SIP session failure . 100
5.2.2.2.3 Session unrelated SIP procedures . 101
5.2.2.2.4 CDF connection failure . 101
5.2.2.2.5 No reply from CDF . 101
5.2.2.2.6 Duplicate detection . 101
5.2.2.2.7 CDF detected failure . 101
5.2.3 CDR generation . 101
5.2.4 GTP' record transfer flows . 101
5.2.5 Bi CDR file transfer . 101
5.3 IMS online charging scenarios . 101
5.3.1 Basic principles . 101
ETSI
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3GPP TS 32.260 version 15.2.0 Release 15 5 ETSI TS 132 260 V15.2.0 (2019-05)
5.3.2 Message flows and types . 104
5.3.2.0 Introduction . 104
5.3.2.1 Immediate Event Charging (IEC) . 104
5.3.2.1.0 Introduction . 104
5.3.2.1.1 Message flows - successful cases and scenarios . 104
5.3.2.1.1.1 IEC – Debit Units operation . 104
5.3.2.1.1.2 Scenarios . 105
5.3.2.1.2 Message flows - error cases and scenarios . 105
5.3.2.1.2.0 Introduction . 105
5.3.2.1.2.1 Reception of SIP error messages . 106
5.3.2.1.2.2 Debit Units operation failure. 106
5.3.2.1.2.3 Duplicate detection . 106
5.3.2.2 Event Charging with Unit Reservation (ECUR) and Session Charging with Unit Reservation
(SCUR) . 106
5.3.2.2.0 General . 106
5.3.2.2.1 Message flows - successful cases and scenarios . 106
5.3.2.2.1.1 ECUR and SCUR - Reserve / Debit Units operations . 106
5.3.2.2.1.2 Expiration of reservation validity . 106
5.3.2.2.1.3 Scenarios . 107
5.3.2.2.1.3.0 Introduction . 107
5.3.2.2.1.3.1 Session related procedures (SCUR) . 108
5.3.2.2.1.3.2 Session unrelated procedures (ECUR) . 118
5.3.2.2.2 Message flows - error cases and scenarios . 120
5.3.2.2.2.0 Introduction . 120
5.3.2.2.2.1 Reception of SIP error messages . 120
5.3.2.2.2.2 Debit / Reserve Units operation failure . 120
5.3.2.2.2.3 Duplicate detection . 120
5.3.2.2.2.4 Aborted session setup . 120
5.3.2.3 IMS service termination by OCS . 120
5.3.2.3.0 Introduction . 120
5.3.2.3.1 Triggers on Ro interface which imply the termination of the IMS service . 120
5.3.2.3.2 Indication to the UE of the reason for IMS service release . 121
6 Definition of charging information . 122
6.1 Data description for IMS offline charging . 122
6.1.1 Rf message contents. 122
6.1.1.0 Introduction . 122
6.1.1.1 Charging Data Request message . 122
6.1.1.2 Charging Data Response message . 123
6.1.2 GTP' message contents . 123
6.1.3 CDR description on the Bi interface . 123
6.1.3.1 CDR content description . 123
6.1.3.2 CDR triggers . 124
6.1.3.2.1 Session related CDRs . 124
6.1.3.2.2 Session unrelated CDRs . 124
6.1.3.3 S-CSCF CDR content . 125
6.1.3.4 P-CSCF CDR content . 130
6.1.3.5 I-CSCF CDR content . 135
6.1.3.6 MRFC CDR content . 138
6.1.3.7 MGCF CDR content . 142
6.1.3.8 BGCF CDR content . 146
6.1.3.9 SIP AS CDR content . 149
6.1.3.10 IBCF CDR content .
...