ETSI TS 102 657 V2.4.1 (2024-07)
Lawful Interception (LI); Retained data handling; Handover interface for the request and delivery of retained data
Lawful Interception (LI); Retained data handling; Handover interface for the request and delivery of retained data
RTS/LI-00263
Zakonito prestrezanje (LI) - Ravnanje z zadržanimi podatki - Izročilni vmesnik za zahtevo in izročanje zadržanih podatkov
General Information
Standards Content (Sample)
TECHNICAL SPECIFICATION
Lawful Interception (LI);
Retained data handling;
Handover interface for the request and
delivery of retained data
2 ETSI TS 102 657 V2.4.1 (2024-07)
Reference
RTS/LI-00263
Keywords
handover, retention
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3 ETSI TS 102 657 V2.4.1 (2024-07)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 13
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 14
3.3 Abbreviations . 14
4 Overview of handover interface . 17
4.1 Reference model . 17
4.2 Structure of document and applicable communication domains . 18
4.3 Categories of retained data . 19
4.4 Handover Interface port 1 (HI-A) and Handover Interface port 2 (HI-B) . 20
4.5 Model used for the RDHI . 20
5 Handover interface message flows . 20
5.1 Overview . 20
5.1.1 Summary of this clause . 20
5.1.2 Message flow modes . 21
5.1.3 Delivery cases . 21
5.1.4 "Active" requests and "closed" requests . 21
5.1.5 Errors and failure situations . 21
5.1.5.1 Error and failure types . 21
5.1.5.2 Request process failure feedback . 22
5.1.5.3 Other errors . 22
5.1.5.4 Missing messages . 22
5.1.6 Cancelling a request . 23
5.1.7 Delivery of results . 23
5.1.8 State diagram . 24
5.1.9 Supplementary Messages . 25
5.2 Message flows for general situation . 25
5.2.1 Delivery of a response . 25
5.2.2 Cancellation of request . 26
5.2.3 Multi-part delivery . 27
5.3 Message flows for Authorized-Organization-initiated scenario . 28
5.3.1 Delivery of results or a failure response . 28
5.3.2 Cancellation of request . 29
5.3.3 Multi-part delivery . 29
5.4 Message types for HI-A and HI-B . 31
5.5 HI-A and HI-B addressing. 32
6 Definition of the elements for retained data messages . 32
6.1 Header information. 32
6.1.1 Use of header information . 32
6.1.2 RequestID field specification . 32
6.1.3 CSP Identifiers . 33
6.1.3.1 Use of CSP Identifiers (CSPID) . 33
6.1.3.2 Third Party CSP Identifier (thirdPartyCSPID) . 33
6.1.4 Timestamp (timeStamp) . 33
6.1.5 RequestType (requestType) . 33
6.1.6 RequestFlag (requestFlag) . 33
ETSI
4 ETSI TS 102 657 V2.4.1 (2024-07)
6.2 Retained Data response . 33
6.2.1 General . 33
6.2.2 Additional information in response messages. 34
6.2.2.1 Record number (recordNumber) . 34
6.2.2.2 Response status (ResponseStatus) . 34
6.2.3 Volatile information . 34
6.2.4 Unavailable parameters . 34
6.3 Retained Data requests . 35
6.3.1 Information contained within a request . 35
6.3.2 Format of a request . 35
6.3.3 Additional information in requests . 36
6.3.3.1 Priority of a request . 36
6.3.3.2 Maximum hits . 36
6.3.3.3 Maximum records per batch . 36
6.3.3.4 Number of records limit . 37
6.4 Error messages . 37
7 Data exchange techniques . 37
7.1 General . 37
7.2 HTTP data exchange . 37
7.2.1 Basic configuration .
...
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