1. SOURCE:KRNIC TITLE:Status of Korean ENUM Service Feb, 2004 Feb. 2004 KRNIC +82-2-2186-4500 Status of Korean ENUM Service

2. Feb, 2004ETSI, France Contents ENUM Trial Service in Korea ENUM Service Council Status of ENUM Standardization Next steps –Political aspects in ENUM –Technical aspects in ENUM Suggestions

3. Feb, 2004ETSI, France ENUM Trial Service in Korea Mission –Public Information –Examination on the availability of ENUM technical side Term –2003. 10. 13 ~ 2004. 1. 9 Registrant –1,500 Methods to use ENUM –Windows Application, IE Direct In, IE Toolbar, Web Page

4. Feb, 2004ETSI, France Foundation –2003. 9. 30 Mission –Solve the problem to introduce ENUM Commercial Service in Korea Members –Wired Telephony Co.(3) : KT, DACOM, HANARO –Mobile Telephony Co.(3) : SKT, LGT, KTF –KRNIC –MIC(Government) ENUM Service Council

5. Feb, 2004ETSI, France ENUM Service Council(Cont’) Questions about ENUM –What’s the business model for ENUM? Most TSPs(in Korea) were wondering why the other countries make an effort ENUM –How should the law of Telecommunication be changed because of the ENUM introduction? MIC(Government) was wondering whether ENUM is above the VoIP or under it –Would Users like to use ENUM? We(KRNIC) was wondering whether ENUM is attractive service like domain names or not

6. Feb, 2004ETSI, France Status of ENUM Standardization We made 3 standards and adopted in TTA –ENUM DNS Tier 1, 2 Architecture –Procedure between ENUM client and DNS –ENUM Service Registration for mobile internet homepage

7. Feb, 2004ETSI, France Next Steps Political aspects –Research of foreign counties for ENUM –Tier 1 / 2, ASP Requirements –Regulations for ENUM Service –Authentication & Authorization Requirements –Business Model

8. Feb, 2004ETSI, France Next Steps Technical aspects –ENUM System standards(like ENUM DNS) –System Interoperation –Implementation of system extension Fax, H.323 VoIP, Telephone embedded ENUM KRNIC would provide the 2 nd ENUM Trial Service in this year. Next year, We can prepare to provide commercial ENUM Service

9. Feb, 2004ETSI, France Suggestions International Cooperation –We want to know other countries’ status. –We can give you the full details of our ENUM system. Korean Standard Submission to ETSI and IETF Participating in the Plugtest.

10. Feb, 2004ETSI, France The end Thank you very much for your kind attention!! If you have any questions, send by e-mail(enum-info@nic.or.kr), please.enum-info@nic.or.kr