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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Telecommunication management;
Charging management;
Charging Data Record (CDR) file format and transfer
(3GPP TS 32.297 version 15.3.0 Release 15)
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3GPP TS 32.297 version 15.3.0 Release 15 1 ETSI TS 132 297 V15.3.0 (2019-05)
Reference
RTS/TSGS-0532297vf30
Keywords
GSM,LTE,UMTS
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© ETSI 2019.
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 32.297 version 15.3.0 Release 15 2 ETSI TS 132 297 V15.3.0 (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 32.297 version 15.3.0 Release 15 3 ETSI TS 132 297 V15.3.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 5
1 Scope . 6
2 References . 7
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Symbols . 9
3.3 Abbreviations . 10
4 Architecture considerations . 11
5 CDR file transfer principles and scenarios . 13
5.0 General . 13
5.1 Local CDR and CDR file handling. 13
5.1.1 CDR processing . 13
5.1.2 CDR routeing . 14
5.1.3 Local CDR file management . 15
5.2 File format principles . 16
5.3 File transport and protocol. 17
5.3.0 General . 17
5.3.1 Basic file transport mechanism . 17
5.3.2 Use of File Transfer IRP . 17
5.3.3 Use of IPDR . 17
5.4 File transfer modes and session management . 18
5.4.1 Basic file transfer mechanism . 18
5.4.1.0 Introduction . 18
5.4.1.1 Push mode . 18
5.4.1.2 Pull mode . 18
5.4.2 Use of File Transfer IRP . 18
5.4.3 Use of IPDR . 18
6 CDR file format specification . 19
6.0 General . 19
6.1 File format conventions . 19
6.1.1 CDR file header format . 20
6.1.1.0 General . 20
6.1.1.1 File length . 20
6.1.1.2 Header length . 20
6.1.1.3 High release / version identifier . 20
6.1.1.4 Low release / version identifier . 21
6.1.1.5 File opening timestamp . 21
6.1.1.6 Last CDR append timestamp. 21
6.1.1.7 Number of CDRs in file . 21
6.1.1.8 File sequence number . 21
6.1.1.9 File closure trigger reason . 22
6.1.1.10 Node IP address . 22
6.1.1.11 Lost CDR indicator . 22
6.1.1.12 Length of CDR routeing filter . 23
6.1.1.13 CDR routeing filter . 23
6.1.1.14 Length of private extension . 23
6.1.1.15 Private extension . 23
6.1.1.16 "High Release Identifer" extension . 23
6.1.1.17 "Low Release Identifer" extension . 23
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3GPP TS 32.297 version 15.3.0 Release 15 4 ETSI TS 132 297 V15.3.0 (2019-05)
6.1.2 CDR header format . 24
6.1.2.0 General . 24
6.1.2.1 CDR length . 24
6.1.2.2 Release Identifier . 24
6.1.2.3 Version Identifier . 24
6.1.2.4 Data record format . 25
6.1.2.5 TS number . 25
6.1.2.6 "Release Identifier extension" . 25
6.2 CDR file naming convention . 26
6.3 Detailed FTP transfer and session management procedures . 27
6.4 Error handling . 27
Annex A (informative): Bibliography . 28
Annex B (informative): Change history . 29
History . 30
ETSI
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3GPP TS 32.297 version 15.3.0 Release 15 5 ETSI TS 132 297 V15.3.0 (2019-05)
Foreword
rd
This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
ETSI
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3GPP TS 32.297 version 15.3.0 Release 15 6 ETSI TS 132 297 V15.3.0 (2019-05)
1 Scope
The present document is part of a series of Technical Specifications (TSs) that specify charging functionality and
charging management in 3GPP networks(GSM/UMTS/EPS). The 3GPP core network charging architecture and
principles are specified in TS 32.240 [1], which 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 messages 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 complete document structure for these TSs is defined in TS 32.240 [1].
The present document specifies the transaction based mechanism for the near real time transfer of CDRs
within the network.
The present document is related to other 3GPP charging TSs as follows:
- The common 3GPP charging architecture is specified in TS 32.240 [1];
- The parameters, abstract syntax and encoding rules for the CDRs are specified in TS 32.298 [51];
- The file based mechanism used to transfer the CDRs from the network to the operator's billing domain (e.g. the
post-processing system or a mediation device) is specified in TS 32.297 [52];
The 3GPP Diameter application that is used for offline and online charging is specified in TS 32.299 [50].
All terms, definitions and abbreviations used in the present document, that are common across 3GPP TSs, are defined in
the 3GPP Vocabulary, TR 21.905 [100]. Those that are common across charging management in 3GPP domains
services, or subsystems are provided in the umbrella document TS 32.240 [1] and are copied into clause 3 of the present
document for ease of reading. Finally, those items that are specific to the present document are defined exclusively in
the present document.
Furthermore, requirements that govern the charging work are specified in TS 22.115 [101].
ETSI
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3GPP TS 32.297 version 15.3.0 Release 15 7 ETSI TS 132 297 V15.3.0 (2019-05)
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including
a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same
Release as the present document.
[1] 3GPP TS 32.240: "Telecommunication management; Charging management; Charging
architecture and principles".
[2] - [9] Void.
[10] 3GPP TS 32.250: "Telecommunication management; Charging management; Circuit Switched
(CS) domain charging".
[11] 3GPP TS 32.251: "Telecommunication management; Charging management; Packet Switched
(PS) domain charging".
[12] Void.
[13] 3GPP TS 32.253: "Telecommunication management; Charging management; Control Plane (CP)
data transfer domain charging".
[14] 3GPP TS 32.254: "Telecommunication management; Charging management; Exposure function
Northbound Application Program Interfaces (APIs) charging".
[15] 3GPP TS 32.255: "Telecommunication management; Charging management; 5G Data
connectivity domain charging; stage 2".
[16] - [19] Void
[20] 3GPP TS 32.260: "Telecommunication management; Charging management; IP Multimedia
Subsystem (IMS) charging".
[21] - [29] Void.
[30] 3GPP TS 32.270: "Telecommunication management; Charging management; Multimedia
Messaging Service (MMS) charging".
[31] 3GPP TS 32.271: "Telecommunication management; Charging management; Location Services
(LCS) charging".
[32] 3GPP TS 32.272: "Telecommunication management; Charging management; Push-to-talk over
Cellular (PoC) charging".
[33] 3GPP TS 32.273: "Telecommunication management; Charging management; Multimedia
Broadcast and Multicast Service (MBMS) charging".
[34] 3GPP TS 32.274: "Telecommunication management; Charging management; Short Message
Service (SMS) charging".
[35] 3GPP TS 32.275: "Telecommunication management; Charging management; Multimedia
Telephony (MMTel) charging".
[36] Void.
[37] 3GPP TS 32.277: "Telecommunication management; Charging management; Proximity-based
Services (ProSe) Charging".
ETSI
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3GPP TS 32.297 version 15.3.0 Release 15 8 ETSI TS 132 297 V15.3.0 (2019-05)
[38] 3GPP TS 32.278: "Telecommunication management; Charging management; Monitoring Event
charging".
[39] - [49] Void.
[50] 3GPP TS 32.299: "Telecommunication management; Charging management; Diameter charging
application".
[51] 3GPP TS 32.298: "Telecommunication management; Charging management; Charging Data
Record (CDR) encoding rules description".
[52] Void.
[53] 3GPP TS 32.296: "Telecommunication management; Charging management; Online Charging
System (OCS) applications and interfaces".
[54] 3GPP TS 32.295: "Telecommunication management; Charging management; Charging Data
Record (CDR) transfer".
[55] - [99] Void.
[100] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[101] 3GPP TS 22.115: "Service aspects; Charging and billing".
[102] - [199] Void.
[200] 3GPP TS 23.078: "Customised Applications for Mobile network Enhanced Logic (CAMEL);
Stage 2".
[201] 3GPP TS 32.341: "Telecommunication management; File Transfer (FT) Integration Reference
Point (IRP); Requirements".
[202] 3GPP TS 32.342: "Telecommunication management; File Transfer (FT) Integration Reference
Point (IRP); Information Service (IS)".
[203] 3GPP TS 32.343: "Telecommunication management; File Transfer (FT) Integration Reference
Point (IRP); Common Object Request Broker Architecture (CORBA) Solution Set (SS)".
[204] 3GPP TS 32.344: "Telecommunication management; File Transfer (FT) Integration Reference
Point (IRP); Common Management Information Protocol (CMIP) Solution Set (SS)".
[205] - [399] Void
[400] IETF RFC 959 (1985): "File Transfer Protocol".
[401] ATIS-PP-0300075.1.200X "Usage Data Management for Packet-Based Services - Service Neutral
Protocol Specification for Billing Applications"
[402] IPDR "IPDR/File Transfer Protocol".
[403] IPDR "IPDR/SP Protocol Specification".
ETSI
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3GPP TS 32.297 version 15.3.0 Release 15 9 ETSI TS 132 297 V15.3.0 (2019-05)
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in TR 21.905 [100], TS 32.240 [1] and the
following apply:
Billing Domain: part of the operator network, which is outside the telecommunication network that receives and
processes charging information from the core network charging functions. It includes functions that can provide billing
mediation and billing or other (e.g. statistical) end applications. It is only applicable to offline charging (see "Online
Charging System" for equivalent functionality in online charging).
charging: function within the telecommunications network and the associated OCS/BD components whereby
information related to a chargeable event is collected, formatted, transferred and evaluated in order to make it possible
to determine usage for which the charged party may be billed (offline charging) or the subscriber's account balance may
be debited / credited (online charging).
Charging Data Record (CDR): formatted collection of information about one or more chargeable event(s) (e.g. time
of call set-up, duration of the call, amount of data transferred, etc) for use in billing and accounting. For each party to be
charged for parts of or all charges of the chargeable event(s) a separate CDR is generated, i.e. more than one CDR may
be generated for a single chargeable event, e.g. because of its long duration, or because more than one charged party is
to be charged.
charging function: entity inside the core network domain, subsystem or service that is involved in charging for that
domain, subsystem or service.
circuit switched domain: domain within GSM / UMTS in which information is transferred in circuit switched mode.
domain: part of the 3GPP telecommunication network that provides network resources using a certain bearer
technology.
GPRS: packet switched bearer and radio services for GSM and UMTS systems.
middle tier TS: term used for the 3GPP charging TSs that specify the domain / subsystem / service specific, online and
offline, charging functionality. These are all the TSs in the numbering range from TS 32.250 [10] to TS 32.27x [3x];
e.g. TS 32.250 [10] for the CS domain, or TS 32.270 [30] for the MMS service. Currently, there is only one "tier 1"
charging TS in 3GPP, which is TS 32.240 [1] that specifies the charging architecture and principles. Finally, there are a
number of top tier charging TSs in the 32.29x [5x] numbering range that specify common charging aspects such as
parameter definitions, encoding rules, the common billing domain interface or common charging applications.
near real-time: near real-time charging and billing information is to be generated, processed, and transported to a
desired conclusion in less than one (1) minute.
offline charging: charging mechanism where charging information does not affect, in real-time, the service rendered.
online charging: charging mechanism where charging information can affect, in real-time, the service rendered and
therefore a direct interaction of the charging mechanism with session/service control is required.
packet switched domain: domain in which data is transferred between core network elements.
real-time: real-time charging and billing information is to be generated, processed, and transported to a desired
conclusion in less than 1 second.
3.2 Symbols
For the purposes of the present document, the following symbols apply:
Bc Reference point for the CDR file transfer from the Circuit Switched CGF to the BD.
Bcp Reference point for the CDR file transfer from the CP data transfer CGF to the BD.
Bd Reference point for the CDR file transfer from the 5G Data Connectivity CGF to the BD.
Bea Reference point for the CDR file transfer from the Exposure function API CGF to the BD.
Bi Reference point for the CDR file transfer from the IMS CGF to the BD.
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3GPP TS 32.297 version 15.3.0 Release 15 10 ETSI TS 132 297 V15.3.0 (2019-05)
Bl Reference point for the CDR file transfer from the GMLC CGF to the BD.
Bm Reference point for the CDR file transfer from the MMS CGF to the BD.
Bmb Reference point for the CDR file transfer from the MBMS CGF to the BD.
Bmn Reference point for the CDR file transfer from the Monitoring Event CGF to the BD.
Bo Reference point for the CDR file transfer from the OCF CGF to the BD.
Bp Reference point for the CDR file transfer from the Packet Switched CGF to the BD.
Bpr Reference point for CDR file transfer between ProSe CGF and the BD.
Bs Reference point for the CDR file transfer for CAMEL services to the BD, i.e. from the SCF CGF
to the BD.
Bsm Reference point for the CDR file transfer from SMS CGF to the BD
Bt Reference point for the CDR file transfer from the PoC CGF to the BD.
Bw Reference point for the CDR file transfer from the WLAN CGF to the BD (discontinued in
Release 12).
Bx Reference point for CDR file transfer between any (generic) 3G domain, subsystem or service
CGF and the BD.
Ga Reference point for CDR transfer between a CDF and the CGF.
Rf Offline Charging Reference Point between the CTF within a 3G network entity and the CDF.
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
bcd binary coded decimal
BD Billing Domain
CAMEL Customised Applications for Mobile network Enhanced Logic
CDF Charging Data Function
CDR Charging Data Record
CGF Charging Gateway Function
CP Control Plane
CS Circuit Switched
CTF Charging Trigger Function
EPS Evolved Packet System
E-UTRAN Evolved Universal Terrestrial Radio Access Network
FTP File Transfer Protocol
GMLC Gateway MLC
GPRS General Packet Radio Service
IMS IP Multimedia Subsystem
IP Internet Protocol
IPDR Internet Protocol Detail Record
I-WLAN Interworking WLAN
LAN Local Area Network
MBMS Multimedia Broadcast/Multicast Service
MLC Mobile Location Center
MMS Multimedia Messaging Service
OAM&P Operation, Administration, Maintenance and Provisioning
OCF Online Charging Function
OCS Online Charging System
PoC Push-to-talk over Cellular
ProSe Proximity-based Services
PS Packet Switched
SCF Service Control Function
SMS Short Message Service
UTC Universal Time Coordinated
WLAN Wireless LAN
ETSI
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