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Approved by Board #57, decision B57/16. . Terms of Reference ETSI TC Lawful Interception (LI) Given that a Technical Committee, supported by Working Groups where appropriate, is an activity organized around a set of ETSI work items addressing a specific technology area that may contribute to more than one Technical Body and which provides continuity it is proposed that a technical committee is established for the purposes of development of standardisation in the field of Lawful Interception. Furthermore in supporting the formation of a Technical Committee for Lawful Interception the following points from the ETSI directives are noted and annotated as required. TC LI: is established on the basis of a technical area, defined in its Terms of Reference which are given in full below, rather than a market sector requirement and is semi-permanent; concerns technology-oriented work; mainly concerns tasks which are common to, and whose results are used by, more than one ETSI Project or ETSI Partnership Project and which are not suitable to be dealt with in the project formats provided by the other Technical Bodies; has its own programme/project management for internal priority-setting, and agreed delivery dates for its results;  is responsible for work sub-contracted from ETSI Projects and ETSI Partnership Projects;[1]  is responsible for defining, creating and stopping detailed ETSI work items, within its scope, that are required to fulfil its Terms of Reference;  is responsible for the validation of ETSI deliverables (i.e. ensuring that the deliverable can be fully implemented, providing the intended level of functionality and performance at minimum cost, as defined in the scope of the related ETSI work item);[2] reports to the General Assembly on work progress when requested. 1            Terms of Reference The telecommunications industry is promoting the migration from switched circuit networks (SCN) to multi-service packet networks, the so-called Next Generation Networks (NGN). This migration will provide economic benefits to both users and suppliers of services, and may enable new services to be offered. The EU resolution of 17th January 1995[3] notes that “the legally authorized interception of telecommunications is an important tool for the protection of national interest, in particular national security and the investigation of serious crime”. Lawful interception solutions have been developed by ETSI for the SCN in the market place and suitable solutions will be necessary for the NGN [and the evolution of the SCN]. The Directive 2006/24/EC of the European Parliament and of the Council of 15 March 2006 further requires “retention of data generated or processed in connection with the provision of publicly available electronic communications services or of public communications networks” in support of national authorities. TC-LI shall develop in partnership with other ETSI technical bodies, projects and partnerships a suite of standards that allow ETSI standards to support industry compliance to the requirements of national and international law. The role of TC-LI in these partnerships is in the development and publication of handover interfaces, and of rules for the carriage of technology specific interception or retained data delivery across these interfaces. In addition TC-LI shall act in partnership with bodies inside and outside ETSI in capturing the requirements of users (law enforcement agencies) and translating those into requirements to be applied to technical specifications.  The technical scope of TC LI shall include, but not be restricted to, the development of:  ·     Handover interfaces for 64kb/s voice traffic; ·       Handover interfaces for 64kb/s equivalent voice-band traffic; ·       Handover interfaces for non-64kb/s voice traffic; ·       Handover interfaces for variable data rate user services; ·       Handover interfaces for IP based services; ·       Handover interface for Retained Data; ·       Protocol definitions of the handover interfaces if required; ·       Guidance for the production of network and service interception prior to submission to the handover interfaces. Where existing ETSI deliverables exist in these areas the role of TC LI will be to maintain them as appropriate. 2            Relationships with other organisations 2.1          Internal to ETSI TC LI will set up appropriate communication channels to other technical bodies within ETSI and will inform and consult them on the work of the TC. Relationships shall be established with (but not restricted to): ·       TC TISPAN (in specific TISPAN WG7 Security) ·       TC AT (in specific AT-D for matters relating to IP Cablecom) ·       TC-TETRA ·       TC SES ·       3GPP (in specific SA3-LI) 2.2          External to ETSI The objective is to formulate appropriate global standards therefore co-operation with related bodies are essential. In particular the standards developed have to take account of requirements established by law or convention in the global marketplace and as such relations have to be established with relevant national and regional bodies. Relationships shall be established with (but not restricted to): ·       ATIS (in specific PTSC LAES SC and WTSC LI SC); ·       ITU-T (in specific SG11, SG13, SG16, SG19 for matters related LI); ·       National and Regional Law Enforcement Agencies  3          Resources available to TC LI 3.1          ETSI Members The supporting members are identified in each individual work item.  3.2          ETSI Secretariat It is envisaged that the ETSI secretariat will provide their standard range of services to TC LI in accordance with the ETSI Quality Procedures.  3.3          Specialist Task Forces Where required TC LI shall request support of STFs from the ETSI FWP. However, in principle the TC LI members will do the work on a voluntary basis.  4          Working Procedures 4.1          ETSI Statutes and Rules of Procedure The ETSI Statutes, Rules of Procedure and Technical Working Procedures shall always take precedence over any other guidance.  4.2          Technical Committee Decision Making The preferred method for reaching a decision in TC LI shall be to seek a consensus.  Where consensus does not prove possible decision taking shall be in accordance with the ETSI Directives.   [1] Specific technologies may modify the primary focus of TC LI’s deliverables and as such expertise in these technologies shall be sought from ETSI Projects and ETSI Partnership Projects. [2] Adds the specific aim of testing of deliverables to the work programme. [3] Official Journal C 329 , 04/11/1996 p. 0001 - 0006 “Council Resolution of 17 January 1995 on the lawful interception of telecommunications”

Last updated: 2008-06-06 10:27:28