KR ENUM Trial Status Update Korean ENUM Service Council KR ENUM Trial Status Update Contact: Sungwoo Shin ssw@nic.or.kr www.enum.or.kr

Contents ENUM Trial ENUM service council in Korea Overview Trial System Formation Trial System Feature ENUM Numbering Plan Trial Service Flow Trial Service Statistics ENUM service council in Korea Status of National ENUM Standardization Next Steps…

KR ENUM Now ENUM Trial System Set-up (2003~) ENUM Public Trial Service (1st Phase) (Oct. 2003 ~ Jan. 2004) Analysis on Trial Result Korean ENUM Service Council (Sep. 2003~) National Standards equivalent to RFCs & New Standards Development (2003~) AP ENUM Technical Forum(APETF) Discussion (2004~) International ENUM Workshop in Seoul (Dec. 2003) National trial (Austria, China, Japan, Korea) ITU and Commercial Part

ENUM Trial Overview Mission Setup Period To examine the technical availability of ENUM Setup Period Mar. 2003 ~ Oct. 2003 Internal trial system set-up finished (Jul.2003) ENUM Public Trial Service (finished) From 13th. Oct. 2003 to 9th. Jan. 2004 ENUM Trial Registration, ENUM Telephony(VoIP) Use Budget 2002~2003 : Approx. US$400,000 for ENUM Trial Set-up 2004~ : US$250,000 (Confirmed) for Extension 2005~ : US$300,000 (under discussion with MIC)

ENUM Trial Formation ENUM APIs ENUM Telephony System ENUM DNS Based on Windows(98/ME/2000/XP), IE Tool Bar and IE Built-in ENUM number direct fill-in, Service array and connection ENUM Telephony System IP-PSTN Connection Telephony Service Based on SIP Technology ENUM DNS ENUM Tier 1 / 2, Dynamic Update from Registration System ENUM Registration System Web-based Registration

ENUM Trial System Feature Internet KRNIC Internal Network E1(60Ch.) 2 Lines External Telephone Network VoIP Gateway CISCO 3662 ENUM DNS Tier 1 SUN280R BIND 9.2.2 VoIP Phone PC ENUM DNS Tier 2 CISCO 7960 PSTN Mobile SUN280R BIND 9.2.2 Apache 1.3.27 SIP Server SUN280R VOCAL 1.4.0

ENUM Numbering Plan Same Results Both Telephone Number and Mobile Number can be ENUM Number ※ Not considering Specific prefix for ENUM number +82-2-563-5757 +82-17-227-2186 Same Results Homepage www.enum.or.kr Telephone 02-563-5757 Mobile 017-227-2186 E-mail enum-info@nic.or.kr Homepage www.enum.or.kr Telephone 02-563-5757 Mobile 017-227-2186 E-mail enum-info@nic.or.kr * Number of Telephone Service Subscribers - Wire Telephone : 23,000,000(41%) - Mobile Phone : 33,000,000 (59%)

ENUM Telephony Call PC to PC VoIP using ENUM ⑷ ⑹ ⑶ ⑸ ⑺ ⑵ ⑴ ⑻ ENUM Query : SIP Message : Voice Channel : ENUM DNS ENUM SIP System ENUM SIP Redirect Server ⑷ ⑹ ⑶ ⑸ ⑺ ENUM SIP SIP Proxy(UA) ENUM SIP SIP Proxy(GW) ⑵ ENUM Telephony Program IP Phone / ENUM Telephony Program ⑴ ⑻

ENUM Telephony Call PC to PSTN VoIP using ENUM ⑷ ⑸ ⑶ ⑹ ⑵ PSTN ⑻ ⑴ E1 ⑺ ENUM Query : SIP Message : Voice Channel : ENUM DNS ENUM SIP System ENUM SIP Redirect Server ⑷ ⑸ ⑶ ENUM SIP SIP Proxy(UA) ENUM SIP SIP Proxy(GW) ⑹ ⑵ PSTN VoIP Gateway ⑻ ⑴ ENUM Telephony Program E1 ⑺

Trial Usage Statistics Trial Period : Oct. 13th 2003 to Jan. 9th 2004 ENUM Registration :1,495 ENUM Telephony Service Use : 14,697 PC to PC(IP Phone) : 5,117 PC to Mobile : 8,022 PC to PSTN : 1,558 ENUM Web Visitors (accumulated): 181,734 Oct. : 37,861, Nov. : 70,625, Dec. : 73,248 Survey from ENUM Service Users for Extended Trial and System Modification

More APIs ENUM FAX ENUM H.323

More APIs Telephony on Website

Korean ENUM Service Council Overview Started as of Sep.,2003 Members - MIC(Government), KRNIC - Dacom, Hanaro, KT (Wired Telco.) - KTF, LGT, SKT (Mobile Telco.) - Saerom, Yahoo KR, KThitel …..(TSB. Exceptional Telcos) General Goals Present Future Work Joint Promotion Privacy Guideline Delegation of National Code Tier 1 Registry Selection System and Service Extension Standardization Works Profit Model Setup Commercial Service

Korean ENUM Service Council Questions of the Korean Council Telcos What is the business model for ENUM? - The reason the other countries keep working on ENUM implementation. Govern -ment (MIC) What is the ENUM’s affect on Telecommunication Policy? - The relationship between ENUM and VoIP KRNIC What is the charm of ENUM to attract users? - Is it attractive to users as domain name is?

Standardization Status Applied of RFC and Drafts New Standards Development 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 ENUM DNS Tier 1,2 Architecture Communication Procedure between ENUM Client and DNS ENUM Service Registration for Wireless Internet Sites

Standard Drafts from Trial System ENUM User ENUM Telephony ENUM, SIP Connection ENUM DNS ① ENUM(82-2-2186-4500) query 0.0.5.4.6.8.1.2.2.2.8.e164.arpa resolution e164.arpa ③ choose service ENUM DNS Tier 0 Communication of ENUM Client & DNS - 4 APIs ④ Cconnect 2.8.e164.arpa ENUM DNS Tier 1 Mobile 0.0.5.4.6.8.1.2.2.2.8 ns : ENUM DNS Tier 1 Registration Sys. ENUM DNS Tier 1,2 Architecture ② ENUM Query response Name(ID) Phone No. E-mail address website VoIP No. Internet Network PSTN ENUM DNS Tier 2 ENUM DNS Tier 2 0.0.5.4.6.8.1.2.2.2.8.e164.arpa NAPTR sip:82221864500@ nic.or.kr mailto:enum@ nic.or.kr http://www.nic.or.kr ③ ENUM Registration ① Registration Request VoIP PC Plain

Next Steps… ENUM Service Plan To Do 2003 2004 2005 Policy Setup ENUM Trial Service : requirements for ENUM Implementation Extended Trial Service Commercial Service… To Do Policy Setup - Tier 1/ 2, ASP Requirements - Regulations for ENUM Service - Authentication & Authorization Requirements - Business Model Technical Extension System Interoperation System Extension Fax, H.323 VoIP, Telephone embedded ENUM

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