1. IMS: a paradigm shift in service creation and delivery
NEC Europe Ltd.
Heidelberg, Germany
Daniele Abbadessa

2. IP Multimedia Subsystem
It is a service control platform designed to:
facilitate development / use of multimedia services
be independent of the access network
leverage the Internet
provide interoperability across mobile and fixed networks

3. IMS Platform Core IMS Session Control Interworking MGCF T-SGW P-CSCF
HSS
P-CSCF
MGCF
T-SGW
S-CSCF
I-CSCF
MRF
IM-MGW

4. IMS Platform Application Servers
Multiparty
Game
Video
Answer
Chat
Suppl. Services
Presence
PoC
Customer
Control

5. … but do you really need it?
Is IMS Really Needed?
The IP Multimedia Subsystem (IMS) offers a flexible revenue generating service platform which:
enhances the role of Mobile Operators in the Mobile Value Chain
enhances service differentiation
ensures service interoperability
enriches user experience
… but do you really need it?

6. Communication Evolution: Lack of Killer Application
Market Drivers
Revenue Growth in
Data Services
Western Europe Forecast
Dropping of voice
revenue/minute
Communication Evolution:
Group Communication
Flexible Multimedia
Service Platform
New Threats From
Internet Players
Lack of Killer Application

7. IMS Benefits One Platform – Many Services
Western Europe Forecast 2007
Voice and Data Service Revenue
P2P Communication
€24.8 b
Voice – 69%
Data – 31%
Required Capability
Partially Required Capability
Info-Entertainment
€11.2 b
(Source: The Yankee Group, 2002)
(Source: the Yankee Group)
Enterprise
€3.2 b
M-commerce
€0.8 b

8. IMS Benefits New Platform Approach
Vertical Service Approach
PSTN
IMS Service Approach
WLAN
2.5G/3G
IP Multimedia Subsystem
Session Control
Media Control
QoS
Charging
Application Servers
Control
Layer
Application
Network
Access
...
Multi-service IP Network
Messaging
Unified
Charging
Media Control
QoS
Streaming
Delivery
Charging
Media Control
QoS
Download
Gaming
Charging
Media Control
QoS
...
Network Subsystem
Base Station Subsystem

9. NEC Vision Modularity and Openness
Modularity and Openness will enable greater Service Differentiation and Time-to-Market!!
Application 1
Operator
Application 2
Application n
Application K
. .
3rd Party Applications
Mobile Operator Applications
Service Creation Environment
Presence
PoC
Chat
Group list
mgmt
Application Layer IM
Gaming
Lounge
. . .
Basic Applications
Key Enablers
IMS

10. User Case: Group Communications in Enterprises
Enriched Address Book:
Presence
Group Management
Shared amongst various Application Servers
Enterprise
Database
Application 1
3rd Party
Application 2
3rd Party
Application k
3rd Party
. . .
Address
Book
Group
Mgmt
Presence
Gaming
. . .
PoC
Chat IM
IMS
Location
Service

11. User Case: Group Communications in Enterprise
An Enriched Address Book with Presence and Group features can be a powerful catalyst for stimulating service usage
John (Heidelberg)
Team A
Lisa (London)
Peter (Heidelberg)
John (Heidelberg)
Project ACME
Lisa (London)
Peter (Heidelberg)
Marcus
Paul
Simone
Chris selects “Project ACME” and chooses how to communicate with the other team mates
PoC
Voice Call
Video Call
Share Application
Chris accesses his
address book

12. User Case: Group Communications in Enterprise
Marcus
Paul
UMTS
Chris
Simone
PoC session
Application sharing
PoC evolves in conference call

13. NEC Vision Convergence of Services
Access of services across networks is crucial for service adoption!!
SIP Clients
Application Servers
Internet
PSTN
IMS
E-WLAN
UMTS
P-WLAN
SIP Clients
SIP Terminal
SIP Clients

14. User Case: PhoneBook & Calendar
PhoneBook & Calendar is available to Enterprise Users in their office …
PhoneBook
& Calendar
Mobile Operator Services
UMTS
Enterprise Network
work
work

15. User Case: PhoneBook & Calendar
…. as well as outside their office!
PhoneBook
& Calendar
Mobile Operator Services
UMTS
Enterprise Network €
work
Lucy leaves office
airport

16. IMS Today Near Real-Time Services
Mobile operators can already benefit from IMS and enrich their product portfolio:
Multiparty
Gaming
Enterprise Solutions
Desktop sharing
IMS User
Football Watcher
Stock
Watcher
Presence Enabled Services
PoC & Groups
Presence, IM & Chat

17. "Empowered by Innovation" represents NEC’s continuing contribution to the realization of society’s potential through technological innovation.