Alcatel-Lucent
End-to-End IMS Solution
Bringing IMS and the Internet together
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The changing competitive landscape
The rapid rise of Internet Protocol Multimedia Subsystem
(IMS) and Web 2.0 technologies has, in many ways,
lowered the barriers to market entry for organizations
that want to compete with traditional telecommunica-
tions providers. As a result, a growing number of service
providers now must consider companies such as Google
and Yahoo as significant competitors for consumer and
business-subscriber revenues. You are under intense
pressure to rapidly move away from rigid network
infrastructures and service delivery platforms. At some
point in the future, these environments will be replaced
by a standard, open and more flexible IP network
infrastructure that can accommodate:
This transformation must be executed while designing an
end-to-end architecture that will cost-effectively guide you
toward an optimal next-generation networking environment.
Alcatel-Lucent offers customized solutions built upon our
IMS architecture to address the unique needs of each ser-
vice provider as you deal with the latest communication
trends and the changing competitive landscape. While
continuing to offer enhanced premium VoIP services,
the Alcatel-Lucent End-to-End IMS Solution focuses on
a user-oriented approach, so you can offer interpersonal
communications using web, multimedia, messaging and
conversational services, user-experience continuity across
devices and networks, instant access anywhere and
self-service personalization, delivering blended lifestyle
services to your consumers and enterprise users.
• Multiple traffic types (voice, data, video)
• A variety of access types (wired and wireless)
• Various Quality of Service (QoS) performance
requirements
• A variety of new and emerging business models
In the meantime, incumbent telecom operators must
develop a hybrid migration strategy that leverages existing
network infrastructures to enable a new generation of
services. To meet these new demands, you will need to
offer consumers and businesses the ability to mix and
match capabilities at will: voice, data, video over
broadband-wired or -wireless infrastructures.
A major wireless telco we interviewed sees access agnosti-
cism as the biggest draw: “We don’t want more vertical
services, we want ‘service delivery over anything’, so we want
everything available over our existing 3G interface, and the
ability to transfer that whole environment to DSL. If every-
thing is managed for you via (the IMS) network, then all your
information is magically transferred to your PC, or whatever
device you’re using — and that’s a really powerful proposition
for users, and very important to us.”
Heavy Reading, July, 2007
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Anytime, anywhere, on any device
The Alcatel-Lucent End-to-End
IMS Solution is designed for fixed,
mobile and converged networks. It
supports multiple access technologies,
including Code Division Multiple
Access (CDMA), Worldwide In-
teroperability for Microwave Access
(WiMAX), Global System for Mobile
Communications/Universal Mobile
Telecommunications System (GSM/
UMTS), and any digital subscriber
line (xDSL).
Integrating a Web 2.0 front end
with IMS features in various web
environments, such as Network
Address Book (NAB) and Presence
Management, creates a cost-effective
way to offer IMS services such as:
• Consumer VoIP
• Voice Call Continuity
(dual-mode service)
• Video share
• Enabling new applications through
Web 2.0 and widget mashups
The solution is composed of network
elements spanning the application,
session control and connectivity
layers. All products are IMS compli-
ant, carrier grade, based on open
standards and IT platforms, and have
been fully tested in leading industry
standards and interoperability forums:
the Global System for Mobile Com-
munications Association (GSMA),
Open Mobile Alliance (OMA),
Internet Engineering Task Force
(IETF) and the Multiservice
Alcatel-Lucent Compact IMS
The Alcatel-Lucent Compact IMS
supports up to 160,000 subscribers,
and provides a suitable architecture
for trials and for cost-effective
deployments by Tier-2 operators. This
product reduces costs by providing
internal components for the Home
Subscriber Server (HSS), Charging
Collection Function (CCF) and
Lawful Intercept functions. It
provides Session Management,
Switching Forum (MSF).
4
Alcatel-Lucent End-to-End IMS Solution
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platform operations, administration and maintenance
(OA&M), HSS, CCF, Internal Lawful Intercept Delivery
Function (ILIDF) and Telephony Application Server
functions, as an integrated package on a single shelf.
User-centric approach
Increasingly, today’s users want personalized text, data,
voice and video anywhere, anytime, on any device. The
Alcatel-Lucent user-centric approach allows you to offer
the services you customers are looking for — adding value
to the end customer and new revenue opportunities for
you. By focusing on the overall user experience, rather
than the specific technology or individual products to be
offered, the Alcatel-Lucent End-to-End IMS Solution can
be phased in to ensure the “right fit” for interpersonal
communications, user-experience continuity across
devices and networks, instant access anywhere and
self-service personalization.
The three-step approach shown in Figure 1 lets you
extend your offers to include Consumer VoIP and a wide
range of advanced Internet communications services:
• Premium VoIP services: Provide your customers with
legacy and multimedia communications services on
web pages, blending with VoIP, IM, presence and other
IP-based offerings. And, let them personalize these
services themselves using a web front end/interface.
• Enhanced conversational services: Give users continuity
across networks and devices, multimedia communications
with multiple communities and instant personalization.
• Internet communications and blending: Alcatel-Lucent
is developing a Web 2.0 front end for the IMS Ap-
plication Server Suite to give you the strength of IMS
standards with Web technologies, and offer personalized
and blended services across multiple devices.
Phased approach
Alcatel-Lucent offers a three-step approach to implement-
ing Internet communications. You can start with any step
now, then phase in the others if and when it makes sense
for your business.
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Figure 1. The three-step approach to implementing Internet communications
Social
networking and
Web 2.0 services
Internet
communications
and blending
Multimedia
services
Enhanced
conversational
services
Premium
VoIP services
Messaging
services
Conversational
services
Internet
communications
and blending
Enhanced
conversational
services
Premium
VoIP services
6
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Cost-effective IP transformation
The Alcatel-Lucent IP Transformation Solution is a suite
of services that enables wireline and wireless network
operators to transform an existing legacy network and
services portfolio to a next-generation technology and
services offering in a controlled and managed way.
According to the Bell Labs Study, this solution reduces
OPEX by up to 12 percent per year and CAPEX by
5 percent to 30 percent, depending on the size of the
network, and increases revenue in established, complex
legacy networks, generally spread over dispersed geographic
boundaries. If you have wireline and wireless assets, you
can leverage the IP Transformation Solution to evolve the
two networks into a single, converged infrastructure.
The Bell Labs Total Cost of Ownership Study (2008)
compared Alcatel-Lucent IMS, Alcatel-Lucent softswitch
offers and competitors’ softswitch offers, and demonstrated
that Alcatel-Lucent IMS is the most cost-effective offer. The
Alcatel-Lucent IMS Solution provides the following benefits.
RedUCTIon In ReCURRIng oPeX
Alcatel-Lucent IMS offers a highly concentrated and
efficient subscriber-provisioning engine whose automation
and low provisioning fallout rate offer better recurring OPEX.
It provides one element management system (EMS) on
a single server connecting and coordinating subscriber
translations for the entire core networks, and a single
system for all fault and performance information also
lower OPEX.
The transformed core network then provides the foundation
for realizing cost reductions — through the transition to a
more efficient IP-based network, and enabling new services.
Alcatel-Lucent can help you design and deploy a hybrid
migration strategy that leverages existing network infra-
structures to enable a new generation of services. These
services will offer consumers and businesses the ability to
mix and match capabilities at will: voice, data and video
over broadband wired or wireless infrastructures.
gReATeR CAPeX SAvIngS
Alcatel-Lucent IMS needs fewer servers at most network
sites and provides improvements in security hardening
procedures and single access point EMSs, improving
installation and turn up and thereby providing greater
capital expenditure (CAPEX) savings.
HIgHeR PeneTRATIonS oF IP-To-IP TRAFFIC
ACCenTUATe THe IMS ARCHITeCTURe’S beTTeR
ToTAL CoST oF owneRSHIP
The Bell Labs study examined a single application: VoIP.
Multiple and multimedia applications further tip the
customer-expenditure scale in favor of IMS solutions over
softswitch or point solutions.
Alcatel-Lucent delivers the capability to migrate
current infrastructures to an all-IP network,
potentially reducing the OPEX up to 26%
(Source: Bell Labs modeling)
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The end-to-end IMS environment
enables VoIP, fixed-mobile con-
Service Creation environment
vergence (FMC) and personalized
blended services with a common
platform strategy, providing subscrib-
ers with a consistent user experience
with multiple sessions across diverse
access methods.
For service delivery, Alcatel-Lucent
proposes an IMS and Web 2.0 Ser-
vice Creation Environment (SCE) in
which operators can deliver, aggregate
and manage converged communica-
tions services for subscribers, regardless
of networks or devices. The solution
Figure 2: Alcatel-Lucent e2e IMS elements
1300 XMC
8670 GUP
OMC-P
8610 ICC
8615 IeCCF
BTS
1357 ULIS
SS8 CALEA
Operation,
maintenance,
charging sytem
VitalSAM
Legal intercept
5400 IAS
Service activation
OAM
Charging
5420 VCC
FS2500
5400 ISG
5410 PS
5410 XDMS
5100 CMS
Service gateway
SCE/blending
Presence
XDMS
DMS/VCC
Unified mail/message
Application
5420 CTS
5420 PCM
5430 PTX
5430 MIM
5920 PRBT
5340 ECN
TAS
Pers. comm. manager
Push-to-X
Multimedia IM
Ring Back Tone
TAS Enterprise
5020 MGC-8
5020 MGC-10
5020 MGC-12
5060 WCS
7510 MGW
7515 MGW
7520 MGW
5900 MRF
Audiocodes
VitalQIP
1440 USDS
HSS
5450 ISC
5450 IRC
Session control
ENUM
DNS
P/I/S-CSCF, BGCF
E-CSCF, RCF/DF, I-BCF
PCRF,
SPDF
MRFC/
MRFP
MGW
MGCF
7302 ISAM-V
7330 ISAM
5750 SSC
5450 AGCF
AGCF
Fortinet
SIP FW
ACME SD
S/BC
7510 BGW
Access
DHCP, NACF
AGW
I-BGF, C-BGF
5440 PC client
Client
5440 WM client
Legend
• 5420 CTS cert. devices
• Westell/2Wire GW
• Brew device
E2E IMS 7.0 supports standard functions
in 3GPP, 3GPP2 and TISPAN
= Third-party products
Clients and devices
Client
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SeRvICe deLIveRy
envIRonMenT
services. These new IMS voice-
equipped services can then be
delivered to multiple screens (such
as a PC, TV or mobile device) while
sharing common service enhance-
ments (presence, location, converged
rating and charging) and operations
support system/business support
system (OSS/BSS) components. IMS,
compared to a simple softswitch VoIP
solution, provides a solid foundation
to build an SDE vision.
The Alcatel-Lucent Service Delivery
Environment (SDE) uses common
enablers, the power of IMS architec-
ture and other Session Description
Protocols to realize new revenue-
generating services. This helps meet
the demands to offer mix-and-match
capabilities at will.
The Alcatel-Lucent SDE is a carrier-
grade framework that can bridge
multiple domain-specific service
delivery platforms to share function-
ality among them, taking advantage
of common enablers, and exploiting
network transformation.
The power of IMS-enabled inter-
personal communication services
can be combined with other Session
Description Protocols (such as IPTV,
messaging, content delivery) to offer
a whole range of newly converged
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Service delivery Platform
Alcatel-Lucent defines a Service Delivery Platform as
a well architected set of components that optimize the
delivery of a particular type of service.
The Alcatel-Lucent Service Delivery Platform includes
application servers, delivery support systems, session
control elements and the required management and
OSS/BSS. Each Session Description Protocol is standards
based, optimized for a type of service, and has its own
protocols and means of session control.
Key features
Interpersonal communications
Communicate with friends, family and colleagues, with the most appropriate
communications tools, using web, media, messaging or conversational services.
User-experience continuity
Experience the same communications services continuously across devices and
among fixed, mobile, WiMAX and the Internet.
Instant access anywhere
Communicate instantly with any contact, at home, in the office or on the road,
regardless of device or network used (fixed, mobile, WiMAX or the Internet).
Self-service personalization
Non-intrusive and personalized instant communications using web interfaces:
how and when to be contacted, sharing presence information, and managing
contacts in one place.
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Building seamless Internet communications
As an established leader in next-
generation access and core-network
solutions, Alcatel-Lucent is the right
partner to assist in every phase of an
IP-core network transformation —
from business case development,
through planning and design, to
interoperability testing and integra-
tion, to migration of traffic to the
new network, and optimization of
the transport network.
Alcatel-Lucent has the most
comprehensive IMS portfolio in the
industry, with more than 30 customer
deployments, 60+ trials with large
providers worldwide, and over
50 customers using IMS application
servers and services.
With the end-to-end combination of
solutions, professional services and
consulting, we can help you evolve to
a complete IMS infrastructure.
Alcatel-Lucent Services, an end-
to-end multivendor integrator with
broad experience in deploying both
wireless and wireline networks, can
integrate all elements of the IP-core
Transformation solution, including
the session control servers, signal-
ing gateways, and media gateways,
application servers and OSS that
support the new elements. After
these elements are integrated into
the carrier network, Alcatel-Lucent
consultants can work with you
to determine the best strategy for
migrating commercial traffic from
the existing circuit-switched core
to the new infrastructure. Our
consultants can help optimize the
transport network based on the
reduced backhaul needs of the new
core, to further reduce operating costs.
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