December 2003 conversion between SS7 and IP Service N/W • RBT (Ring-Back Tone): substitute...

Roaming experiences as Roaming experiences as a solution providera solution provider

December 2003December 2003

2Softeleware Proprietary & Confidential

1. Company Overview

2. Roaming Overview

3. Case Study

4. Roaming Solutions

ContentsContents

Roaming experience as a solution provider Softeleware Proprietary & Confidential 3

Company OverviewCompany Overview

PerformanceCompany Profile

R&D Focused (as of 11/17/2003)

* HCWML: Hutchison CAT Wireless Multimedia Ltd.* ETRI: Electronics & Telecom. Research Institute* MCP: Master CP (Contents-Provider)* SCP: Service Control Point

CEO

Founded

Core Biz

Paid-in Capital

# Employees

HQ

Yi, Seung Ku

04/23/1998

Core Network, DCN, Mobile VAS

$ 2.62 million (6.03 mil. shares outstanding)

69 (As of 11/17/2003)

52-1 Banpo, Seocho, Seoul, Korea

• 1998 - Microsoft Certified SolutionProvider

• 2000 - SK Telecom IMT2000 Project - KTF Int’l roaming system- KT IMT-2000 project consortium

• 2001 - KTF Int’l roaming system- KTF Packet Data N/W system- LG Telecom Domestic roamingsystem

• 2002 - KTF Int’l roaming system- KTF Packet Data N/W solutions- KTF HLR systems- KTICOM UMTS roaming system - KTF SIP-based video phone system

• 2003 - KTF Packet Data N/W solutions- IPO on KOSDAQ (ticker : softel)- Thailand HCWML roaming system- KTF Mobile VAS (BGM/BGS)- ETRI NGN protocol R&D project- KTF CISS CP Aggregator- KTF HLR systems- KTF CISS-SCP system- Number portability projects (LGT, KTF)

Total69

R&D53

Tech.Sales9

BA7

76.8% of the employees are engineers


SoftelewareSofteleware’’s Solutionss Solutions

Mobile carrier A

BGM, CISS,RBT, VMS….

PDSN

HLR

AIWU

.......AP AP

RGW

Hot Spot

Mobile Internet Portal

RAN

Core N/WService N/W

Mobile carrier B

(*)Softeleware’s solutions are marked as red textsWAG


SoftelewareSofteleware’’s Solutionss Solutions

Core N/W• HLR (Home Location Register) • IRGS (International Roaming Gateway System)

Packet Data N/W• WAG (Wireless Access Gateway): allows seamless roaming bet/ WLAN and CDMA N/W

• PDSN (Packet Data Serving Node): PPP termination node in packet data N/W• AIWU (Advanced Interworking Unit): allows 2G subscribers to enjoy 3G services• SGW (Signaling Gateway): protocol conversion between SS7 and IP

Service N/W• RBT (Ring-Back Tone): substitute traditional ring tone with music• BGS (Background Sound effect): provides music/sound effect during conversation• CDDS (Caller-Defined Data Service): displays caller’s pre-defined information (graphics, text,

icon) on screen of called-party’s handset during ringing period• MCAS (Missed Call Alerting Service): Callers information is notified with SMS when called-party’s

phone is turned-on or when he/she comes into service area• SIP-based video phone: provides Push-to-Talk solution as well as video conference call with

handset by utilizing SIP


1. Company Overview

2. Roaming Overview

3. Case Study


ContentsContents


What is roaming service?What is roaming service?

Roaming service enables subscribersto send and receive calls when away from home network without having to change his/her phone number.

Roaming gateway inter-connects different networks and/or different operators. It converts protocols to provide seamless roaming service.

What is roaming gateway?What is roaming gateway?


Roaming typesRoaming types

Inter-Operator Roaming

CDMA to CDMA,..

Inter-Standard Roaming

CDMA-GSM,..

Inter-Generation Roaming

CDMA-WCDMA,..

CDMA

CDMA

WCDMA

GSM

GSM


What kinds of services are available?What kinds of services are available?

SMS

VOICE

DATA

VAS


Policy

• Roaming type (direct or via roaming hub)

• Roaming agreement between operators

Billing

• Clearing house

• Billing Format

System

• How to implement the gateway

Service scenario

Considerations on roaming service (1/2)Considerations on roaming service (1/2)


Considerations on roaming service (2/2)Considerations on roaming service (2/2)

Network

• Voice Network setup (International call carrier)

• SS7 signaling Network

• Management Network(Billing,..)

Terminal

• Automatic roaming(DBDM,..)

• Rental (Semi-automatic roaming)


Automatic roaming vs. SemiAutomatic roaming vs. Semi--automatic roamingautomatic roaming

Automatic Roaming

• True roaming service

• No handset change / No need to concern (moving to

other) network

• DBDM handsets will drive rocket growth in roaming market

Semi-automatic Roaming

• Handset rental roaming

• Most of the current inter-standard roaming solution

• Dual-mode handsets not yet commercialized in the market


1. Company Overview

2. Roaming Overview

3. Case Study


ContentsContents


SoftelewareSofteleware’’s referencess references

Inter-Standard roaming (CDMA-GSM)

• KTF Hutchison roaming (Commercial launch in ’00)

• KTF IRGS (in ’01)

• Thailand - Hutchison CAT Wireless Multimedia Ltd. IRGS (in ’03)

CDMA-CDMA roaming

• LGT CDMA roaming (Commercial launch in April ’02)

• KTF CDMA roaming (’02)

Inter-Generation roaming (CDMA-UMTS)

• KTF URGS roaming (’02)


CDMACDMA--GSM roamingGSM roaming

In brief

• Inbound : in commercial service since January 2002

• Outbound : in commercial service since August 2000

• Via roaming hub (100+ countries)

• Direct service with GSM operators (50+ operators)

• Phone rental (semi-automatic)

• SMS roaming in service


CDMACDMA--GSM roaming with hub operatorGSM roaming with hub operator’’s IMSIs IMSI

VoiceSignalingBilling

STP

HLR

MSC/VLR

STP

HLR

MSC/VLR

Billing

IGS

Korea Telecom Int’l Land line Operator

CDMA Operator

IRG®IRG®

IGS

GSM OperatorHutchison HK

IGS: International Gateway SwitchIRG®: Intelligent Roaming Gateway


CDMACDMA--GSM roaming with CDMA operatorGSM roaming with CDMA operator’’s own IMSIs own IMSI

VoiceSignalingBilling

IGS: International Gateway SwitchIRG®: Intelligent Roaming Gateway

STP

HLR

STP

HLR

Clearing House

CDMA Operator GSM Operator

IRG®IRG®

IGS

Korea Telecom Int’l Land line Operator

IGS

MSC/VLR MSC/VLR


HCWML CDMAHCWML CDMA--GSM global roamingGSM global roaming

• HCWML: Hutchison CAT Wireless Multimedia Limited, a joint venture between the Communications Authority of Thailand (CAT) and Hutchison Wireless Multimedia Holdings Limited.• Inbound and outbound service• SMS roaming service• Provided the system in June 2003• Via Hutchison Hong Kong roaming hub• Identical configuration to KTF case

• HCWML: Hutchison CAT Wireless Multimedia Limited, a joint venture between the Communications Authority of Thailand (CAT) and Hutchison Wireless Multimedia Holdings Limited.• Inbound and outbound service• SMS roaming service• Provided the system in June 2003• Via Hutchison Hong Kong roaming hub• Identical configuration to KTF case

IRG

MSC/VLR MSC/VLR

HCWMLCDMA

Network

GSMOperatorNetwork

(Hutchison Hong Kong)

HLR HLR

STP STPInt’l Network

IGS IGS

Clearing House

SignalVoiceBilling

Billing SystemBilling System


Outbound service flowOutbound service flow

Rent a GSM handset(KTF Global Roaming Center)

1~2 Month later, Calling charges will be invoiced from KTF

Return the handset to KTF Roaming Center

Return to KoreaUse the serviceLeave for GSM network


Inbound service flowInbound service flow

EntranceVisit KTF Global Roaming Center at the airport

1~2 Month later, Calling charges will be invoiced from homeoperator

Return the handset Pay daily rental charge ($1/day)

Rent a handset(KTF Global Roaming Center)

Use the service(if necessary, call collect 016-1583)

Insert visitor’s SIM card into the handset


Subscribers of operator A share operator B’s base stations

Simple software upgrade of handset

Commercial service is launched (April 2002)

No additional load to the existing network

CDMACDMA--CDMA domestic roaming (1/2)CDMA domestic roaming (1/2)


Voice PathSignal PathBilling Data Path

BC: Billing & Customer Care SystemPGS: PCX Gateway System

IRG®

MSC/VLRMSC/VLR

PGS

A B

PGS

CDRBC

STP

HLR

CDMA Operator A

STP

HLR

CDMA Operator B

CDMACDMA--CDMA domestic roaming (2/2)CDMA domestic roaming (2/2)


CDMACDMA--UMTS roamingUMTS roaming

Finished interworking test at field

Automatic roaming

DBDM (Dual Band Dual Mode) Handset required


1. Company Overview

2. Roaming Overview

3. Case Study


ContentsContents


SoftelewareSofteleware’’s Total Roaming Solutionss Total Roaming Solutions

IRG® 2100CDMA-GSM

Inter-Standard Roaming

Adequate Roaming ConsultingAdequate Roaming Consulting

IRG® 3000CDMA-UMTS

Inter-Generation Roaming

IRG® 2200CDMA-CDMA

Roaming


VASVAS--MLVP (MultiMLVP (Multi--Lingual Voice Portal)Lingual Voice Portal)

Designed for inbound roamers’ convenience

Hotel / taxi / tickets / events / …

English / French / German / Chinese / Korean / …

Profit source : increased air-time / outbound call / hosting

fee / …


VAS contVAS cont’’dd

Pre-paid service

Home short code

Multi-lingual SMS push


Timeline for implementation (CDMATimeline for implementation (CDMA--GSM roaming)GSM roaming)

11

10

9

8

7

6

5

4

3

2

1

No.

D+101Commercial launch

Expected scheduleAction items

D+100Completion of acceptance test

D+80~D+99Acceptance test

D+77~D+79IRG application porting to platform

D+75~D+76Platform setting up such as OS, Cluster, DB, SS7

D+72~D+74Setting up field environment(network, power supplying related works)

D+71Platform delivery to local field

D+11~D+70 (Approx.)Development upon operator requirements

D+6~D+10Contract

D+5Finalizing operator requirements

D day~D+4Design review meeting


““We Make Your Mobile Dream Come TrueWe Make Your Mobile Dream Come True””

Thank You Very Much


Contact InformationContact Information

President & CEO Sales & Marketing

6th Floor Ssangdong Building (East Tower)52-1 Banpo-Dong, Seocho-Gu, Seoul 137-803, KoreaTelephone 82-2-2106-4999 Facsimile 82-2-3476-4913Mobile 82-16-375-0346 E-mail [email protected]

Seungku Yi, Ph. D.President & CEO


Stephen KimAssistant Manager | Mobile Business

Technical Consulting R&D


Hyun-Woong JangDirector | Technical Consulting

6th Floor Ssangdong Building (East Tower)52-1 Banpo-Dong, Seocho-Gu, Seoul 137-803, KoreaTelephone 82-2-2106-4904 Facsimile 82-2-3476-4913Mobile 82-9744-7032 E-mail [email protected]

Man-Suk YangVice President | R&D

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December 2003 conversion between SS7 and IP Service N/W • RBT (Ring-Back Tone): substitute...

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