1. Korean ENUM Trial Updates Contact: Jeonghyun Lee Seung Jai Yi Sungwoo Shin enum-info@nic.or.kr www.enum.or.kr 58 th IETF ENUM Working Group

2. 1 58 th IETF Minneapolis 2003 Contents ENUM Service Council ENUM Trial Service - Overview - Status - ENUM Number Plan National ENUM Standardization Next Steps

3. 2 58 th IETF Minneapolis 2003 ENUM Service Council Members -MIC(Ministry of Information and Communication) -Telcos(Dacom, KT, SKT, LGT, KTF) -KRNIC Goals Joint PR Joint PR Privacy Guideline Privacy Guideline Delegation of National Code Delegation of National Code Tier 1 Registry Selection Tier 1 Registry Selection Profit Model Profit Model Joint Development for Joint Development for Extended System Standardization Works Standardization Works In 2003In 2004

4. 3 58 th IETF Minneapolis 2003 ENUM Trial Service Overview - launched on Oct. 13 th, 2003 - ENUM API : IE Direct Fill-in, ENUM Toolbar, ENUM Program, ENUM Website - Available Services : Website, E-mail, Telephone, Mobile - www. enum.or.kr Status –About 2,000 have registered (2003.11.5)

5. 4 58 th IETF Minneapolis 2003 ENUM Trial Service ENUM Number Plan - Both Telephone Number and Mobile Number can be ENUM Number Homepage www.enum.or.kr Telephone 02-2186-4500 Mobile 011-123-4567 E-mail enum-info@nic.or.kr Homepage www.enum.or.kr Telephone 02-2186-4500 Mobile 011-123-4567 E-mail enum-info@nic.or.kr +82-2-2186-4500+82-11-123-4567 Same Results * * Number of Telephone Service Subscribers - Wire Telephone : 23,000,000(41%) - Mobile Phone : 33,000,000 (59%)

6. 5 58 th IETF Minneapolis 2003 National ENUM Standardization RFC 2916bis ENUM Service Registration for H.323 URL Enumservice registration for SIP Address of Record Registration for enumservice web and ft Registration for enumservice of group messages Application of RFC and Drafts New Standards Development ENUM DNS Tier 1,2 Architecture Communication Procedure between ENUM Client and DNS ENUM Service Registration for Wireless Internet Sites URI Standardization Forum Standards TTA(Telecommunications Technology Association) Standards

7. 6 58 th IETF Minneapolis 2003 ENUM Service Next Steps ENUM Standardization - Drafts Submission to IETF - New Standards Development : Registration and Validation : ENUM Service Applications(Fax, H.323…) ENUM Trial Service : requirements for ENUM Implementation Extended Trial Service Commercial Service 200320042005