ETSI work on ENUM The ETSI Technical Report ITU February 2002 Tony Holmes BTexact Technologies Numbering Addressing & Routeing Chairman ETSI SPAN 11 NAR

Background Timing has dictated 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 SG2 Supp ETSI initial SG2 Rap ETSI SPAN SG2 Genv AdRec ETSI SPAN SG2 Genv 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 2001 2002 US SG-A Sweden France UK Nethl’ds Some examples of national activities © British Telecommunications plc 2001

ETSI Technical Specification Aim: To provide basic set of principles that should be adhered to in order to maximise potential benefits from publicly available ENUM implementations within Europe “Efforts at drawing together a a co-ordinated approach should not only result in a firm foundation for ENUM activities within the European environment but should also assist in enhancing the competitive communications environment” The importance of gaining the support or all relevant parties was recognised as a prime requirement © British Telecommunications plc 2001

Some emerging principles within Europe from ETSI E.164 integrity must be maintained Compliance with Data Protection Directives Adherence to ITU Recommendations and IETF Specifications Compliance with National Regulatory requirements Must facilitate a competitive environment Must be user ‘Opt in’ Existing network functions must not be compromised e.g. Number Portability, Carrier Selection All provide good safeguards © British Telecommunications plc 2001

Major Issues of concern Provisioning based on false information by users Authentication and validation requirements Abuse of data stored Regulatory requirements Alternative ENUM implementations © British Telecommunications plc 2001

What still needs to be done? Administrations must be encouraged to actively consider national implementation aspects The ETSI Framework document needs to be completed and formally agreed Issues surrounding the choice of gTLD must be resolved All effort must be put into completion of the ITU studies to facilitate the insertion of Country Codes within the DNS © British Telecommunications plc 2001

Thank you Tony Holmes BTexact Technologies Chairman ETSI SPAN11 NAR e-mail: tony.ar.holmes@bt.com © British Telecommunications plc 2001