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1 TC LI ETSI Technical Committee Lawful Interception ETSI/TC LI Peter van der Arend (Royal KPN) Chairman ETSI/TC LI.

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Presentation on theme: "1 TC LI ETSI Technical Committee Lawful Interception ETSI/TC LI Peter van der Arend (Royal KPN) Chairman ETSI/TC LI."— Presentation transcript:

1 1 TC LI ETSI Technical Committee Lawful Interception ETSI/TC LI Peter van der Arend (Royal KPN) Chairman ETSI/TC LI

2 2 Why LI The providers of public telecommunications networks and services are legally required to make available to the authorities the information necessary to enable them to investigate telecommunications.

3 3 History ETSI/TC Security Techniques Advisory Group (STAG) (1991) ETSI/TC Security (TC SEC) –Working Group Lawful Interception (SEC-WGLI) (1997) ETSI/TC Lawful Interception (TC LI) (Oct 2002)

4 4 Terms of Reference To develop a suite of standards that allow ETSI standards to support industry compliance to the requirements of national and international law. To capture the requirements of “Law Enforcement Agencies” and translating those into requirements to be applied to technical specifications. To develop and publish handover interfaces, and of rules for the carriage of technology specific interception across these interfaces.

5 5 Relationships inside ETSI 3GPP (SA3-LI) (LI for UMTS) TC AT (LI for IP Cablecom) TC SPAN & EP TIPHON ---> TISPAN PLT (LI for Powerline Communications) EP TETRA TC MTS

6 6 Relationships outside ETSI National and Regional Law Enforcement Agencies OASIS (TC LegalXML-LI) T1S1 LAES AHG ANSI

7 7 Participation in TC LI Law Enforcement Agencies –NL, UK, DE, AS, USA, IT, CA, FR, FIN, RU Operators –KPN, BT, DT, Telia, Inmarsat, T-Mobile, Vodafone, Telenor, Telstra Manufacturers (switch) –Nokia, Siemens, Ericsson, Alcatel, Cisco, Marconi, Nortel, Lucent Technologies Manufacturers (mediator / LEA equipement) –Aqsacom, ETI, VeriSign, TopLayer, GTEN, Verint, Pine, Nice

8 8 LEA requirements LEATS : Requirements of Law Enforcement Agencies –Provides guidance in the area of co-operation by network operators/service providers with the lawful interception of telecommunications. –Provides a set of requirements relating to handover interfaces for the interception.

9 9 Other specifications ES Requirements for Network Functions ES / TS Handover Interface for the Lawful Interception of Telecommunications Traffic TR Notes on ISDN LI functionalities TR Concepts of Interception in a Generic Network Architecture. TR Issues on IP Interception.

10 10 Handover Interface Concept

11 11 Latest published specifications Delivery of IP based interception TS HI2 and HI3 interfaces for handover via IP networks Service specific details for Services TS Description for handover of messages Service specific details for Internet Access Services TS Description for handover of Internet Access Information and TCP/IP information

12 12 Relation TS to other standards TS Generic Headers TS TS Internet access service details service details Handover manager Delivery session Transport layer Network layer Service- specific details Other standards Delivery network Application Presentation Session Transport Network and below

13 13 Actual working issues DTR 00014: Lawful Interception of public Wireless LAN Internet Access General update of: TR Concepts of Interception in a Generic Network Architecture Keeping up to date of the LI specifications

14 14 LI standards in 3GPP (UMTS) TS Lawful interception requirements TS Lawful interception architecture and functions TS Handover interface for Lawful Interception

15 15 Future developments Lawful Interception of IP Cablecom Lawful Interception of TIPHON Lawful Interception of third generation mobile systems Maintenance of existing documents; especially ES / TS and TS

16 16 More details on ETSI/TC LI can be found on:

17 17


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