KR ENUM Trial Status KR ENUM Trial Status UpdateUpdate

Contact:Sungwoo Shin ssw@nic.or.kr

www.enum.or.kr

Korean ENUM Service Council

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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…

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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

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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)

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ENUM Trial Formation

ENUM APIs Based on Windows(98/ME/2000/XP), IE Tool Bar and I

E Built-in ENUM number direct fill-in, Service array and connection

ENUM Telephony System IP-PSTN Connection Telephony Service Based on SIP Tech

nology

ENUM DNS ENUM Tier 1 / 2, Dynamic Update from Registration System

ENUM Registration System Web-based Registration

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ENUM Trial System Feature

CISCO 7960

VoIP Phone

CISCO 3662VoIP Gateway

PC

InternetKRNICInternalNetwork

ExternalTelephoneNetwork

SUN280R BIND 9.2.2

ENUM DNS Tier 1

SUN280R BIND 9.2.2

Apache 1.3.27

ENUM DNS Tier 2

SUN280R VOCAL 1.4.0

SIP Server

E1(60Ch.) 2 Lines

PSTN Mobile

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ENUM Numbering Plan

Both Telephone Number and Mobile Number can be ENUM Number

※ Not considering Specific prefix for ENUM number

Homepage www.enum.or.krTelephone 02-563-5757Mobile 017-227-2186E-mail enum-info@nic.or.kr

+82-2-563-5757

Same Results Homepage www.enum.or.kr

Telephone 02-563-5757Mobile 017-227-2186E-mail enum-info@nic.or.kr

+82-17-227-2186

** Number of Telephone Service Subscribers - Wire Telephone : 23,000,000(41%) - Mobile Phone : 33,000,000 (59%)

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ENUM Telephony CallPC to PC VoIP using ENUM

ENUM SIPRedirect Server

ENUM SIPRedirect Server

ENUM SIPSIP Proxy(UA)

ENUM SIPSIP Proxy(UA)

ENUM SIPSIP Proxy(GW)

ENUM SIPSIP Proxy(GW)

ENUM TelephonyProgram

IP Phone /ENUM Telephony

Program

ENUM DNS

ENUM SIP System

ENUM Query : SIP Message :Voice Channel :

⑵

⑴

⑶

⑷ ⑹

⑸ ⑺

⑻

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ENUM Telephony Call PC to PSTN VoIP using ENUM

ENUM SIPRedirect Server

ENUM SIPRedirect Server

ENUM SIPSIP Proxy(UA)

ENUM SIPSIP Proxy(UA)

ENUM SIPSIP Proxy(GW)

ENUM SIPSIP Proxy(GW)

ENUM TelephonyProgram

VoIP Gateway

ENUM DNS

ENUM SIP System

ENUM Query : SIP Message :Voice Channel :

⑵

⑴

⑶

⑷

⑹⑸

⑺

⑻PSTN

E1

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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

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More APIs

ENUM FAX ENUM H.323

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More APIs

Telephony on Website

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Korean ENUM Service CouncilOverview 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

•Joint Promotion• Privacy Guideline

• Delegation of National Code • Tier 1 Registry Selection

•System and Service Extension

• Standardization Works

•Profit Model Setup• Commercial Service

PresentFuture Work

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Korean ENUM Service Council

Questions of the Korean Council

What is the business model for ENUM? - The reason the other countries keep working on

ENUM implementation.

What is the ENUM’s affect on

Telecommunication Policy? - The relationship between ENUM and VoIP

What is the charm of ENUM to attract users?- Is it attractive to users as domain name is?

Telcos

Govern-ment(MIC)

KRNIC

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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

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Standard Drafts from Trial System

2.8.e164.arpa

ENUM DNSTier 0

e164.arpa

ENUM DNS

Tier 1

ENUM DNS Tier 2

0.0.5.4.6.8.1.2.2.2.8.e164.arpaNAPTR sip:82221864500@ nic.or.kr mailto:enum@ nic.or.kr http://www.nic.or.kr

InternetNetwork

PSTN

ENUM DNS ENUM UserENUM Telephony

VoIP PC Plain

① ENUM(82-2-2186-4500) query 0.0.5.4.6.8.1.2.2.2.8.e164.arpa resolution

②

ENUM Q

uery response

③ choose service

④Cconnect

Registration Sys.

Name(ID)Phone No.

E-mail addresswebsite

VoIP No.

③

ENUM Registration

- 4 APIs

① Registration Request

Mobile0.0.5.4.6.8.1.2.2.2.8 ns

:

ENUM DNS Tier 1

ENUM DNSTier 1,2

Architecture

Communication of ENUM

Client & DNS

ENUM, SIPConnection

ENUM DNSTier 2

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Next Steps…

ENUM Service Plan

ENUM Trial Service: requirements for

ENUM Implementation

Extended

Trial Service

Commercial

Service…

2003 2004 2005

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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THANK

YOU