|
Technical Specification
Lawful Interception (LI);
Retained data handling;
Handover interface for the request and
delivery of retained data
�
---------------------- Page: 1 ----------------------
2 ETSI TS 102 657 V1.1.1 (2008-11)
Reference
DTS/LI-00033
Keywords
handover, retention
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
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
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
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
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2008.
All rights reserved.
TM TM TM TM
DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
---------------------- Page: 2 ----------------------
3 ETSI TS 102 657 V1.1.1 (2008-11)
Contents
Intellectual Property Rights . 7
Foreword . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 9
3 Definitions and abbreviations . 10
3.1 Definitions . 10
3.2 Abbreviations . 10
4 Overview of handover interface . 11
4.1 Reference model . 11
4.2 Structure of document and applicable communication domains . 13
4.3 Categories of retained data . 14
4.4 Handover Interface port 1 (HI-A) and Handover Interface port 2 (HI-B) . 14
4.5 Model used for the RDHI . 15
5 Handover interface message flows . 15
5.1 Introduction . 15
5.1.1 Summary of this clause . 15
5.1.2 Message flow modes . 15
5.1.3 Delivery cases . 16
5.1.4 "Active" requests and "closed" requests . 16
5.1.5 Errors and failure situations . 16
5.1.5.1 Error and failure types . 16
5.1.5.2 Request process failure feedback . 16
5.1.5.3 Other errors . 17
5.1.6 Cancelling a request . 17
5.1.7 Delivery of results . 17
5.1.8 State diagram . 17
5.2 Message flows for general situation . 19
5.2.1 Delivery of a response . 19
5.2.2 Cancellation of request . 20
5.2.3 Multi-part delivery . 21
5.3 Message flows for Authorized-Organization-initiated scenario . 21
5.3.1 Delivery of results or a failure response . 21
5.3.2 Cancellation of request . 23
5.3.3 Multi-part delivery . 23
5.4 HI-A and HI-B addressing. 24
6 Definition of the elements for retained data messages . 25
6.1 Header information. 25
6.1.1 Use of header information . 25
6.1.2 RequestID field specification . 25
6.1.3 CSP Identifiers . 25
6.1.3.1 Use of CSP identifiers . 25
6.1.3.2 Third Party CSP Identifier . 25
6.1.4 Timestamp . 26
6.1.5 Additional information in error messages . 26
6.2 Retained Data response . 26
6.2.1 General . 26
6.2.2 Additional information in response messages. 26
6.2.2.1 Record number . 26
6.2.2.2 Response status . 26
6.2.3 Volatile information . 26
6.2.4 Unavailable parameters . 27
ETSI
---------------------- Page: 3 ----------------------
4 ETSI TS 102 657 V1.1.1 (2008-11)
6.3 Retained Data requests . 27
6.3.1 Information contained within a request . 27
6.3.2 Format of a request . 27
6.3.3 Additional information in requests . 28
6.3.3.1 Priority of a request . 28
6.3.3.2 Maximum hits . 28
7 Data exchange techniques . 28
7.1 General . 28
7.2 HTTP data exchange . 29
7.2.1 Basic configuration . 29
7.2.2 Single client/server . 29
7.2.3 Mutual client/server . 29
7.2.4 Details common to both single and mutual cases . 29
7.3 Direct TCP data exchange . 30
7.3.1 Transport layer . 30
7.3.1.1 Introduction. 30
7.3.1.2 TCP settings . 30
7.3.2 Network layer . 30
7.3.3 Delivery networks . 30
8 Security Measures . 30
8.1 General . 30
8.2 Connection Level Security . 30
8.3 Application Level Security . 31
8.4 Technical Security Measures . 31
8.4.1 General . 31
8.4.2 Connection Level . 32
8.4.3 Application Level . 32
8.4.3.1 Hashes . 32
8.4.3.2 Digital Signatures . 32
8.4.3.3 HI-B Non-Repudiation . 32
8.4.3.4 Digital Signatures and Message Structure . 32
Annex A (normative): Data fields . . 33
A.1 Summary . 33
A.1.1 Introduction to data fields . 33
A.1.2 Choice of data modelling language . 33
A.1.3 Overview . 33
A.2 Parameter definition for common fields . 34
A.2.1 RetainedDataHeader . 34
A.2.1.1 Parameters. 34
A.2.1.2 RequestID parameters . 34
A.2.2 RetainedDataPayload . 34
A.2.2.1 RequestMessage parameters . 34
A.2.2.2 RequestAcknowledgement parameters . 34
A.2.2.3 ResponseMessage parameters . 35
A.2.2.4 GetStatusMessage parameters . 35
A.2.2.5 StatusMessage parameters . 35
A.2.3 GenericSubscriberInfo . 36
A.2.3.1 Parameters. 36
A.2.3.2 OrganizationInfo parameters . 36
A.2.3.3 IndividualInfo parameters . 36
A.3 ASN.1 definitions . 37
A.3.1 General . 37
A.3.1.1 ASN.1 syntax tree . 37
A.3.1.2 General remarks on ASN.1 . 37
A.3.2 ASN.1 Definitions for message headers . 38
A.3.2.1 Message wrappers . 38
A.3.2.2 Message headers . 38
A.3.3 ASN.1 definitions for common fields. 42
ETSI
---------------------- Page: 4 ----------------------
5 ETSI TS 102 657 V1.1.1 (2008-11)
A.3.4 Schematic representation of top level ASN.1 . 44
Annex B (normative): Service-specific details for telephony services . 45
B.1 Scope . 45
B.2 Telephony fields . 45
B.2.1 General . 45
B.2.2 Telephony Subscriber . 45
B.2.2.1 Subscriber ID . 45
B.2.2.2 GenericSubscriberInfo . 45
B.2.2.3 TelephonySubscriberInfo . 45
B.2.2.4 SubscribedTelephonyServices . 46
B.2.2.4.1 Description . 46
B.2.2.4.2 BillingDetails . 46
B.2.2.4.3 BillingRecords . 46
B.2.3 Telephony ServiceUsage . 47
B.2.3.1 Parameters. 47
B.2.3.2 PartyInformation . 47
B.2.4 TelephonyDevice. 48
B.2.4.1 General . 48
B.2.5 TelephonyNetworkElement . 48
B.2.5.1 General . 48
B.2.5.2 Location parameters . 48
B.2.5.2.1 General . 48
B.2.5.2.2 GSM Location Information . 49
B.2.5.2.3 UMTS Location Information . 49
B.3 ASN.1 definitions for telephony . 49
Annex C (normative): Service-specific details for asynchronous message services . 58
C.1 Scope . 58
C.2 Descriptions . 58
C.2.1 General . 58
C.2.2 MsgSubscriber . 58
C.2.3 MsgSubscriberId . 59
C.2.4 MsgStore . 59
C.2.5 MsgStoreId . 59
C.2.6 MsgAddress . 59
C.2.7 MsgProviderId . 59
C.2.8 MsgServiceUsage . 59
C.2.9 MsgTransmission . 60
C.2.10 MsgStoreOperation . 60
C.3 ASN.1 definitions for asynchronous message services . 60
Annex D (normative): Service-specific details for synchronous multi-media services . 63
D.1 Scope . 63
Annex E (normative): Service-specific details for network access services . 64
E.1 Scope . 64
E.2 Descriptions . 64
E.2.1 General . 64
E.2.2 NASubscriber . 64
E.2.3 NAServiceSubscription . 65
E.2.4 NAServiceUsage . 65
E.2.5 NADevice . 66
E.2.6 NANwElement . 66
E.2.7 NABillingDetails . 66
E.3 ASN.1 definitions for network access services . 67
ETSI
---------------------- Page: 5 ----------------------
6 ETSI TS 102 657 V1.1.1 (2008-11)
Annex F (informative): Basic set of search routines for Retained Data . 71
F.1 Example set of search routines . 71
F.1.1 Introduction . 71
F.1.2 Summary of search case . 71
F.1.3 Subscriber records . 71
F.2 Telephony data . 72
F.2.1 Telephony subscriber . 72
F.2.2 Telephony billing details . 72
F.2.3 Telephony service usage .
...