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 • 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 • 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 • 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

KRNIC Internal Network External Telephone Network Internet ENUM Trial System Feature E1(60Ch.) 2 Lines 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 • 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 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

PSTN ENUM Telephony Call • PC to PSTN VoIP using ENUM ENUM Query : SIP Message : Voice Channel : ENUM DNS ENUM SIP System ENUM SIP Redirect Server ⑷ ⑸ ENUM SIP SIP Proxy(UA) ENUM SIP SIP Proxy(GW) ⑶ ⑹ ⑵ 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 DNS ENUM Telephony ENUM, SIP Connection 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 ENUM DNS Tier 1 0.0.5.4.6.8.1.2.2.2.8 ns : 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 2003 2004 2005 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

THANK YOU

KR ENUM Trial Status Update