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IMS 기반 Multimedia Service

KCTA 2006 conference

TELCOWARETELCOWARE정 정 문정 정 문

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Contents

1 What is IMS?

2 Global/Domestic Deployment

3 IMS Details

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What happens?

Circuit NetworkCircuit NetworkCircuit NetworkCircuit Network

Packet NetworkPacket NetworkPacket NetworkPacket Network

Voice Centered ServiceVoice Centered ServiceVoice Centered ServiceVoice Centered Service

MultimediaMultimedia Service ServiceMultimediaMultimedia Service Service

Circuit SwitchCircuit SwitchCircuit SwitchCircuit Switch

Soft-SwitchSoft-SwitchSoft-SwitchSoft-Switch

IMSIMSIMSIMS

Internet (IP Network)

Various Portals

Current location

Tele

com

mu

nicatio

nT

eleco

mm

un

ication

Do

ma

inD

om

ain

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What demand is there?

Develop new rich multimedia communication services fast and easily

Provide converged Services

Premium ServiceSingle sing-on for all services, One bill, etc

Provide mobility seamlesslyRegardless of the device and access

Take advantage of the operator main asset :

Circuit network, packet network, billing system, etc.

Voice and Data, Fixed network and Mobile network

Reduce costsBy building an open IP-based service infrastructure

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What is the solution?

● ● ● ● ● ● ●

● ● ● ● ● ● ●

CSCFCSCFApplicationApplication

ServersServers

HSSHSS

IP Multimedia SubsystemIP Multimedia Subsystem

as Service Infra

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EV-DOHSDPA

WiBro

InternetInternet

Access

Network

Core

Network

What is the Service Infra.?

So far, most of the service-systemhas been implemented directlyon the transport infra.

Game

Chatting

Telephony

MMS

PTT

without the help of service infra.

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What is the Service Infra.?

Audio/Video CODECRTP/RTCP

Text/EmoticonData DispatchBuddy

Audio CODECData DispatchFloor ControlBuddy

Picture/Text/BGM ProcessingData Transport

GraphicGame LogicBuddy

File SearchData Transport

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession releaseConferenceCapability Nego.

BillingPrepaid/Limited

RoamingSupplementary Services Etc.

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession releaseConferenceCapability Nego.

BillingPrepaid/Limited

RoamingSupplementary Services Etc.

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession releaseConferenceCapability Nego.

BillingPrepaid/Limited

RoamingSupplementary Services Etc.

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession release

Capability Nego.

BillingPrepaid/Limited

RoamingSupplementary Services Etc.

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession releaseConferenceCapability Nego.

BillingPrepaid/Limited

RoamingSupplementary ServicesEtc.

RegistrationAuthenticationAuthorizationTerminal Auth.

Session setupSession releaseConferenceCapability Nego.

BillingPrepaid/Limited

RoamingSupplementary Services Etc.

TelephonyTelephony ChattingChatting PTTPTT MMSMMS GameGame File ShareFile Share

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EV-DOHSDPA

WiBro

InternetInternet

Access

Network

Core

Network

What is the Service Infra.?

● ● ● ● ● ● ●

● ● ● ● ● ● ●

The Service Infrastructure will providethe common part which is neededin every service system

Game

Chatting

Telephony

MMS

PTT

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What is IMS?

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World Market Trends

MarketMarketNeedNeed

MarketMarketNeedNeed Service

Overview

ServiceOverview Service

Advantage

ServiceAdvantage

Sprint (FMC)

BT (U.K., FMC), France Telecom (FMC), MMO2 (U.K.,PoC, Multimedia conferencing)BT (U.K., FMC), France Telecom (FMC), MMO2 (U.K.,PoC, Multimedia conferencing)Saunalahti (Finland, FMC), Telecom Italia Mobile (Video Sharing), Telefonica (FMC), , Telia Sonera (Sweden, IM, Video Sharing, Game), TMN (Portugal, Video Sharing)

Telkomsel (Indonesia, Vodeo Sharing)

eAaccess LTD (Japan, Multimedia)BB Mobile (Japan, 3GW-LAN handover)SKT (IMPS, PoC, Visual Phone)

Shandong Telecom (China, VoIP)Nanning (China, City Information)

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Global IMS Deployments

Wireless Operator

Infrastructure Vendor

Service Planned Launch Date

BT (U.K.)

Undisclosed BT Fusion (formerly Project Bluephone) fixed/mobile converged phone service

September 2006, Announced June 2006 With 400 Early Adopters

eAaccess LTD(Japan)

Lucent Multimedia, HSDPA Announced February 2005

France Telecom

Siemens Fixed-mobile convergence First two phases of three-phase project complete; phase three includes ~ 200 customer trial.

MMO2 (U.K.)

Siemens Push-to-talk over cellular (PoC), multimedia conferencing

EOY 2005 first launch in two-year program

Saunalahti (Finland)

Nokia VoIP and rich multimedia to both mobile and fixed telephony customers

Announced in June 2005, launch date not yet set

Sprint (U.S.)

Lucent Multimedia, EV-DO Announced in December 2004; deployment of IMS solution starts in 2005

Ericsson Wireless and Wire-line services

Telecom Italia Mobile

Ericsson and Nokia

Video sharing Mass market launch 2Q05

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Global IMS Deployments

Wireless Operator

Infrastructure Vendor

Service Planned Launch Date

Telefonica (Spain)

Ericsson Converged wireless/wire-line IMS deployment

Announced in April 2005, deployment of IMS solution starts in late spring 2005

Telia Sonera(sweden)

Ericsson, Nokia and Siemens

Instant messaging, video sharing, gaming among different mobile operators

Trial in spring 2005

Telkomsel (Indonesia)

Nokia 3G services, such as video sharing. Based on standardized 3GPP and IETF technologies. Enabled by IMS core network

Six-month trial under way now

Orange Cost reductionSingle number for various accessImprove coverageTraffic billing for cellular and WLAN

TMN (Portugal)

Nokia Video sharing Service launched in June 2005

Commandor(Austrailia)

Ericsson Multimedia Service for Wire-line service

Oct. 2005

Elisa Nokia Fixed-mobile convergence Trial in Aug. 2005

ShandongTelecom

Lucent VoIP for large/medium sized enterprises

Announced in Jul. 2005. launch data is yet not set

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History and Evolution

Multimedia IM

2004

HSSHSS

ASASCSCFCSCF

IMS Infra

2003 Video Phone, File Transfer, Game,

Etc

2006

SIP system

2002

•IETF based SIP system•Service infra suitable for Wired network

•3GPP IMS•Service infra suitable for Wired/Wireless network

•Application Server on IMS•Instant Messaging/Presence Service

•Various Application Server on IMS•Video phone, File Transfer, Game, etc

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Infra Network

UEUE

HSSHSS

MRFPMRFP

I-CSCFI-CSCF

MRFCMRFC

P-CSCFP-CSCF S-CSCFS-CSCF

DIAMETER

SIP

SIP

MGCP/SIP

MSS(Multimedia Session control System) IMSR

IM-SSFIM-SSF SCPSCP

WIN/CAMEL

SIP

-Basic Call setup/release for VoIP/Visual phone-Authentication, Authorization-Limited Billing Service/Pre-paid Service-International Roaming support-Collect/report billing information-Call forwarding, Call waiting, Call screening, Call holding, Announcement-Multimedia VMS

V-V-PLMNPLMN

RoamingRoamingUEUE

SIP

ASAS

CCFCCF

Diameter

SIP

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Visual Phone/VoIP System

IMSR MSS

DIAMETER

SIP client A

SIP

SIP client B

SIP

RTP/RTCP

- Visual phone, VoIP service- Interwork with H.324M W-CDMA visual phone

- Interwork with H.323 visual phone- Translation between Q.931, H.245 and

SIP- Provide CODEC transcoding function

- Video Codec : Mpeg4, H.263- Audio Code : AMR, G.723.1, G.723, EVRC

H.324M

Visual phone

H.323 Visual phone

H.324M

H.323

IMG

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Value Added Service

MFS

IMSR MSS

SIP SIP

DIAMETER

SIP client A

SIP

Media Server

SIP client B

SIP

RTP/RTCP

RTP/RTCP

-File transfer in active session-Multimedia Lettering-Multimedia Coloring-비디오 통화 중 대체영상 전송

DIAMETER

Application Server Group

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Instant Messaging/Presence

IMPS PNA

IMSR MSS IMGW

SIPSIP

SIP

DIAMETER

DIAMETER

SK-VM WITOPWIPI WAP

SIP WAPPropriety protocol

Application Server Group

Contents

Network

Server Specific protocol

SMSC,VSMSS

SMPP, GIP

WAS

HTTP

-Messaging Service-Chatting, One-time message- with Mobile user , PC user

-Presence Service-Mobile Blog with Music, Picture-Location based Service-Inter-work with Email, Cyworld-Terminal HW information-Alarm, Schedule

-Group Management-Support non-SIP terminal-Terminal wakeup function-Collect/report billing information

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Push-to-Talk

IMPS GTS

IMSR MSS

SIPSIP

DIAMETER

DIAMETER

SIP

Application Server Group

MRC

RTP/RTCP

SIP

PTT client A

PTT client B

PTT client C

-Fast Call Setup-Use SDB (Short Data Burst)-Use SigComp for shortening SIP message

-RTCP floor control-Share Group information with IMPS service-Half-duplex service-Codec

-EVRC

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표준화 진행 상황

3GPP2(3GPP2( 동기 망동기 망 ) ) 규격 진행 상황규격 진행 상황

• 1999/11 : All-IP Ad-hoc 그룹 결성• 2002/03 : 3GPP IMS 수용 합의• 현재 : 3GPP IMS 규격을 바탕으로 MMD 규격 작업 중

3GPP(3GPP( 비동기 망비동기 망 ) ) 규격 진행 상황규격 진행 상황

• 1999/12 : R99 규격 승인• 2001/03 : R4 규격 승인

- Bearer Independent CS CN • 2000/06 : ‘R00 Architecture Principle’ TR 보고

- IP Multimedia CN Subsystem (IMS) 개념 정립•SIPSIP 를 Call Control Protocol 로 결정

• 2002/03(06) : Release 5 IMS 표준화 승인 (Stage-

3)• 현재 : Release 6,7 표준화 진행 중 (IMS phase

2)

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IMS Network Diagram

IMS Core DomainIMS Core Domain

P,I,S-CSCF

HSS

MRF

BGCF

MGCF

MGW

SIP AS

OSA-SCS

IM-SSF

AF(P-CSCF)

PDF IMS-ALG

TrGW

IBCF

IAG IMS-ALG(P-CSCF)

THIG

AuC

IMS Outer DomainIMS Outer Domain

SupplementaryServiceServer

QoSGGSN/SGSN

NAT Traversal

IP Version Inter-working

PSTN/PLMN Inter-working

Authentication

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Convergence

CDMA 1x/EV-DOCDMA 1x/EV-DOCDMA 1x/EV-DOCDMA 1x/EV-DO

W-CDMA HSDPAW-CDMA HSDPAW-CDMA HSDPAW-CDMA HSDPA

WiBroWiBroWiBroWiBro

W-LANW-LANW-LANW-LAN

xDSL, CablexDSL, CablexDSL, CablexDSL, Cable

Service NetworkService NetworkService NetworkService Network

EtcEtc(RFID, Sensor NW)(RFID, Sensor NW)

EtcEtc(RFID, Sensor NW)(RFID, Sensor NW)

HSSHSS

CSCFCSCF

MRFMRF

Enhanced communication for seamless mobility Enhanced communication for seamless mobility IMS will form the HEART of the convergence network.IMS will form the HEART of the convergence network.

(By infineon technology)

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Fixed Mobile Convergence (KT case)

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Open Architecture

IP Multimedia SubsystemIP Multimedia Subsystem

S-CSCF HSS

Service PlatformService Platform

KCTKCT

NAVERNAVERExternal Service PlatformExternal Service Platform

SKSK Telecom Telecom

P-CSCF

ISC (Service Control Interface)

SIP-AS OSA-SCS,OSA-AS

IM-SSF,SCE

AS

OSA API

UE in visited network UE in home network

P-CSCF

Service PlatformIP Multimedia Subsystem

Current Interesting PartCurrent Interesting Part

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Open Architecture - Terminal

Bearer

Visual Phone Logic

(IMS Core)

Protocol Stack (SIP, RTP.…)

WIPI (SIP API)

IMPS Logic

(IMS Core)

Bearer

Visual Phone Logic

Protocol Stack (SIP, RTP, …)

IMPS Logic

IMS Platform (WIPI or J2ME)IMS Platform (WIPI or J2ME)

IMS CoreIMS Core

IMS Service EnablerIMS Service Enabler(Presence, Messaging, PoC…)(Presence, Messaging, PoC…)

GameLogic

Platform including Enablers

Applications

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Open Architecture - Network

HSSHSS

CSCFCSCF

MRFMRF

IP Multimedia SubsystemIP Multimedia Subsystem

Service SystemService System

HSSHSS

CSCFCSCF

MRFMRF

IP Multimedia SubsystemIP Multimedia Subsystem

Service SystemService System

PushToTalkService

InstantMessenger

PoCService

PresenceService

MessagingService

Service EnablerService Enabler

MessagingServer Presence

Server

Group Mgt.Server

ParlayParlay

33rdrd Party Party DomainDomain

DaumMyTV

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