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TS 32.240  SA5 ★
Charging Architecture and Principles

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V16.1.0 (Wzip)  2019/12  61 p.
V15.5.0 (PDF)  2019/12  63 p.
V14.4.0  2017/06  59 p.
V13.2.0  2016/06  60 p.
V12.6.0  2014/12  58 p.
V11.7.0  2014/06  48 p.
V10.1.0  2011/04  47 p.
V9.2.0  2011/04  47 p.
V8.6.0  2010/06  47 p.
V7.2.0  2007/03  45 p.
V6.4.0  2006/10  41 p.
Rapporteur:  Mrs. Gardella, Maryse  Alcatel-Lucent
Diameter based offline and online charging applications via Rf and Ro
"Bx" is a common designator for the reference points from the network to the Billing Domain (BD) that are intended for the transport of CDR files. The letter "x" indicates the different 3GPP network domain, subsystem or service, thus:
Bc  represents Circuit Switched (CS) in TS 32.250, clause 6.1.3
Bcp  represents Control Plane data transfer in TS 32.253, clause 6.1.3
Bi  represents IP Multimedia Subsystem (IMS) in TS 32.260, clause 6.1.3
Bl  represents Location Service (LCS) in TS 32.271, clause 6.1.3
Bm  represents Multimedia Messaging Service (MMS) in TS 32.270, clause 6.1
Bmb  represents Multimedia Broadcast/Multicast Service (MBMS) in TS 32.273, clause 6.1.3
Bmn  represents Monitoring Event in TS 32.278, clause 6.1.3
Bo  represents Online Charging System (OCS) in TS 32.296, clause 7.2
Bp  represents Packet Switched (PS) in TS 32.251, clause 6.1B
Bpr  represents Proximity-based Services (ProSe) in TS 32.277, clause 6.1.3
Bs  represents CAMEL SCF in TS 23.078
Bsm  represents Short Message Service (SMS) in TS 32.274, clause 6.1.3
Bt  represents Push-to-talk over Cellular service (PoC) in TS 32.272, clause 6.1.3
Bw  represents Wireless LAN (WLAN) in TS 32.252
The present document is part of a series of documents that specify charging functionality and charging management in 3GPP networks/systems. The 3GPP core network charging architecture and principles are specified in the present document, which thus provides an umbrella for other charging management TSs that specify:
  • the content of the CDRs per domain / subsystem /service (offline charging);
  • the content of real-time charging events per domain / subsystem /service (online charging);
  • the functionality of online and offline charging for those domains / subsystems / services;
  • the interfaces that are used in the charging framework to transfer the charging information (i.e. CDRs or charging events).
The purposes of the present document are:
  • to lay down common principles of charging in the network; and
  • to specify a logical common charging architecture that applies to all 3GPP domains, subsystems and services.
A set of domain/subsystem/service specific TSs covers the domains (CS, PS, 5GS), subsystem (IMS) and service (MMS, LCS, PoC, MBMS, SMS, MMTel etc.) levels, respectively, in the TS 32.25x, TS 32.26x and TS 32.27x TS number ranges. These TSs describe the mapping of the common architecture specified in the present document onto the specific domain/subsystem/service and the scenarios and information for online and offline charging that are specific to the domain/subsystem/service. They are commonly referred to as the middle tier charging TSs.
A set of TSs in the TS 32.28x range covers common services, such as the Advice of Charge service.
A set of TSs in the TS 32.29x range covers common aspects, such as CDR parameter and syntax descriptions, online and offline charging applications, and the charging interactions within the network (CDR transfer) as well as between the network and the Billing Domain (CDR file transfer).

full Table of Contents for  TS 32.240  Word version:   16.1.0

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1 Scope  2 References  3 Definitions, symbols and abbreviations  4 Common charging architecture and framework  5 Charging principles  A Bibliography  B [N] Single IMSI architecture for EU Roaming  C [N] Fixed Broadband Access  D [N] Distributed Charging Trigger Function  E High level overall charging architecture.  F Change history 

 

1  Scope  Word-p. 7
2  References  Word-p. 9
3  Definitions, symbols and abbreviations  Word-p. 12
3.1  Definitions
3.2  Symbols  Word-p. 14
3.3  Abbreviations  Word-p. 15
4  Common charging architecture and framework  Word-p. 18
4.0  Introduction [R12]
4.1  Charging mechanisms  Word-p. 19
4.1.0  General [R12]
4.1.1  Offline charging  Up
4.1.2  Online charging
4.1.3  Converged charging [R15]
4.2  High level common architecture  Word-p. 20
4.2.1  General [R15]
4.2.2  Common architecture - reference points [R15]
4.2.3  Common architecture - service based interface [R15]  Word-p. 22
4.3  Charging functions  Word-p. 23
4.3.1  Offline charging functions
4.3.1.0  General [R12]
4.3.1.1  Charging Trigger Function  Up
4.3.1.2  Charging Data Function  Word-p. 25
4.3.1.3  Charging Gateway Function
4.3.1.4  Offline Charging System [R11]
4.3.2  Online charging functions  Word-p. 26
4.3.2.0  General [R12]
4.3.2.1  Charging Trigger Function
4.3.2.2  Online Charging System  Word-p. 27
4.3.2.2.0  General [R12]
4.3.2.2.1  Online Charging Function
4.3.2.2.2  S-CSCF online charging / IMS Gateway Function  Up
4.3.2.2.3  Rating Function
4.3.2.2.4  Account Balance Management Function  Word-p. 28
4.3.2.3  CDR generation for online charged subscribers
4.3.3  Converged charging functions [R15]
4.3.3.0  General
4.3.3.1  Charging Trigger Function (CTF)
4.3.3.2  Converged charging system
4.4  Reference points  Word-p. 30
4.4.1  Offline charging reference points
4.4.1.1  Rf  Up
4.4.1.2  Gz
4.4.1.3  Ga
4.4.1.4  Bx
4.4.1.5  Void
4.4.1.6  Gzn [R12]  Word-p. 31
4.4.2  Online charging reference points
4.4.2.1  Ro
4.4.2.2  CAP
4.4.2.3  Gy
4.4.2.4  Re
4.4.2.5  Rc  Up
4.4.2.6  Void
4.4.2.7  Gyn [R12]  Word-p. 32
4.5  Architecture mapping
4.5.0  General [R12]
4.5.1  Offline mapping
4.5.2  Online mapping  Word-p. 34
4.6  Service based interface [R15]
4.6.1  Nchf
5  Charging principles  Word-p. 35
5.0  General [R12]
5.1  Charging data generation and quota supervision  Up
5.2  Charging data transfer  Word-p. 37
5.2.0  General [R12]
5.2.1  Charging data transfer in offline charging
5.2.1.0  General [R12]
5.2.1.1  Transfer of charging events via Rf  Word-p. 38
5.2.1.2  Transfer of CDRs via Ga
5.2.1.3  Transfer of CDR files via Bx  Word-p. 39
5.2.2  Charging data transfer in online charging  Word-p. 40
5.3  Charging levels and correlation  Word-p. 42
5.3.1  Bearer level charging  Up
5.3.1.1  Bearer charging based on bearer / tele- / supplementary service
5.3.1.2  Flow based bearer charging
5.3.2  Subsystem level charging
5.3.3  Service level charging
5.3.4  Charging data correlation
5.3.4.0  General [R12]
5.3.4.1  Intra-level correlation  Word-p. 43
5.3.4.2  Inter-level correlation
5.3.4.3  Inter-network correlation
5.3.4.4  Determination of completeness of charging information in IMS [R14]  Word-p. 45
5.3.4.4.1  General
5.3.4.4.2  Tracking of IMS NEs generating charging information
5.3.4.4.3  Tracking of applications generating charging information
5.4  Charging data configuration
5.5  Charging information utilisation  Word-p. 47
5.5.0  Introduction [R12]
5.5.1  Subscriber charging
5.5.1.0  General [R12]
5.5.1.1  Calling party charging [R7]
5.5.1.2  Alternate party charging for IMS [R7]  Up
5.5.2  Credit-Control and balance management  Word-p. 48
5.5.2.1  Use of credit pooling
5.5.3  Inter-operator settlement of Charges
5.5.3.1  Inter-PLMN accounting
5.5.3.2  'Visitors' from other PLMNs
5.5.3.4  'Home' subscribers roaming in other PLMNs
5.5.3.5  Fixed network operators and other service providers  Word-p. 49
5.5.3.6  IMS Interconnection [R11]
5.5.3.7  Charging Principles for Roaming Architecture for Voice over IMS with Local Breakout [R12]
5.5.3.8  Charging Principles for roaming architecture for voice over IMS with home routed traffic [R14]  Word-p. 50
5.5.4  Advice of Charge
A  Bibliography  Word-p. 51
B (Normative)  Single IMSI architecture for EU Roaming [R12]  Word-p. 52
B.0  General
B.1  Voice Control
C (Normative)  Fixed Broadband Access [R12]  Word-p. 53
C.1  General
C.2  References
C.3  Definitions, symbols and abbreviations
C.4  Common charging architecture and framework  Up
C.4.1  Charging mechanisms
C.4.2  High level common architecture
C.4.3  Charging functions  Word-p. 54
C.4.4  Reference points
C.4.4.1  Offline charging reference points
C.4.4.1.1  Gz
C.4.4.1.2  Gzn
C.4.4.2  Online charging reference points
C.4.4.2.1  Gy
C.4.4.2.2  Gyn  Up
D (Normative)  Distributed Charging Trigger Function [R12]  Word-p. 55
D.1  General
D.2  Definitions, symbols and abbreviations
D.2.1  Definitions
D.2.2  Symbols
D.2.3  Abbreviations
D.3  Common charging architecture and framework
D.3.1  Charging mechanisms
D.3.2  High level common architecture
D.4.3  Charging functions  Word-p. 56
D.4.3.1  Offline charging functions
D.4.3.1.1  Charging Trigger Function
D.4.3.2  Online charging functions
D.4.4  Reference points
D.4.4.1  Offline charging reference points
D.4.4.1.1  Xch
D.4.4.2  Online charging reference points
E  High level overall charging architecture. [R15]  Word-p. 57
E.1  General
E.2  Common charging architecture and framework  Up
E.2.1  High level common architecture
F  Change history  Word-p. 58

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