SuccessionSolutions

High-performanceInternet Telephony

You can deploy today, all the way to the edge of the network

Nortel Networks

We heard:“As reliable as dial tone”

“Open and standards-based”

“Profitable”

“Compatible with the PSTN for either IP or ATM”

“Feature-rich, like Centrex”

“Cable-ready”

“In my network now!”

Internet Telephony is the fastest-developing market for today’s service providers and the most effective long-term communicationsolution for enterprises. As it tracks the Web’s lightning-quick evolution from hobbyist to mainstream markets, Internet Telephony is proving to be much more than a niche application. In fact, it projectssuch profit potential for carriers and cost-reducing opportunities forenterprises that this mass-market solution dwarfs almost any otherInternet application.

You talked. We listened. And now you can benefit immediately from the Internet Telephony solutions you dreamed of—available today from Nortel Networks.

When NortelNetworks asked:

“What do youwant Internet

Telephony to be?”

The Internet and telephonycome together in

Succession SolutionsLook to Succession solutions as an intelligent step in building your successful future. By combining the best of the Internet with the best of the phone network, your next-generation packet network reliablytransports voice, data, and multimedia traffic over a single infrastructure, to open a whole new realm of possibilities.

To the service provider, future-ready Succession solutions serve as aneconomic engine that expands your current revenue streams to power yourfuture growth with new packet-enabled multimedia services. Currentlyavailable applications include Long Distance, Local Tandem, Local Line, Cable Media, and Enterprise solutions.

To the enterprise, the Succession portfolio is an evolving set of solutions that allow you to IP-enable your telephony network and telephony-enable your IP network—so you can benefit from one converged, simplified communication infrastructure.

Whether you build new or incorporate existing multi-vendor investments,standards-based Succession solutions offer the flexibility to succeed withInternet Telephony. Our comprehensive portfolio enables you to build acustomized solution designed specifically for your network today, and willgrow to encompass data Virtual Private Networks, familiar feature-richbusiness services like Centrex, emerging multimedia communications, unified messaging, and voice-enabled e-commerce—all with seamless wireline, wireless, and cable access.

No one else is in a position to offeran Internet Telephony portfolio withthe global reach, breadth of services,and carrier-grade reliability ofSuccession solutions. That’s becausethis portfolio incorporates the wealthof real-world experience and expertisethat Nortel Networks possesses inboth telephony and IP networks.

For Service ProvidersWith an end-to-end portfolio ofservices that is second to none, wedesigned and engineered a significantportion of today’s global PublicSwitched Telephone Network(PSTN). Worldwide, the PSTNrepresents a total investment of someone trillion U.S. dollars. We areacutely aware that you must be ableto leverage your circuit-switchinginvestment in the transformation to

Succession Solutions andthe high-performance optical InternetNortel Networks is developing the enabling infrastructure to transform today’scollection of best-effort IP networks into the high-performance optical Internet withunconstrained content access and delivery.In the process, we are creating an Internetwith the reliability, scalability, security, and accessibility needed for you to profitfrom the mass-market deployment ofInternet Telephony.

With sufficient bandwidth in the network,the bottleneck becomes routing. Our OPTeraPacket Solution replaces old-world routerswith carrier-grade hardware and softwarewith true 99.999 percent reliability. OPTeraintegrates the optical and packet layers and scales to hundreds of terabits.Succession and OPTera Packet Solutionswork together to build a new infrastructurethat integrates packet technology withoptics—with terabits of bandwidth andcarrier-grade reliability, from metrosolutions to hub and backbone networks.

Internet Telephony. Designed witheconomics as well as technology inmind, Succession solutions preserveexisting subscriber revenue streamseven as you move services to newplatforms and networks.

For emerging service providers withoutexisting investments, the telephonyexpertise that Nortel Networks bringsto the world of IP networking is evenmore valuable. With our proven recordfor platforms and services that trans-late directly into speed-to-revenue andprofitability, Nortel Networks leads theindustry in voice/data switching salesto new carriers, worldwide. Today,Succession solutions successfullydeliver live calls on one of the world’s largest pure IP-based InternetTelephony networks. Nortel Networks

completed the initial deployment of this carrier-class IP network in less than six months.

For EnterpriseOur industry-leading platforms, software, and service help younavigate, at your own pace, asimplified path to IP networking. Be future-ready with comprehensivevoice and data services that supportenhanced global communications, e-commerce, Internet-based callcenters, and customized services. Our solutions build on an open,standards-based approach that isscalable and highly reliable—tosimplify communications, enhanceemployee productivity, forge closercustomer relationships, and facilitateemployee mobility.

The product of unmatched

telephony expertise

Succession Solutions

In all marketsDelivers carrier-grade service,end to endInternet Telephony is too important to be left to IP networks lackingpredictable and reliable performance.To achieve the PSTN equivalence of99.999 percent reliability, each elementof Succession solutions, whetherdeployed over an ATM or IP packetnetwork, meets the same designstandards that define today’s carrier-grade networks. All Successionsolutions are exceedingly robust,meeting the thermal management, fault isolation, redundancy, andscalability requirements that IP routing vendors frequently overlook.

Consolidates services on multi-service platformsUsing the same hardware for multipleservices reduces costs and simplifiesservice provisioning. Benefit fromadditional economies of scale by con-solidating overlay networks that haveseparate operations, administration,maintenance, and provisioning(OAM&P) costs. Succession solutionsinclude gateways that transparentlysupport PSTN calls, IP, ATM, framerelay, dial-up data, DSL, PRI, LAN,WAN, and more.

For carriersPowers an economic engine for tomorrow’s next-generation networkThe majority of a network operator’srevenues are still generated bytelephony, and most successfulcompetitive providers continue to place line-side services at or near the

center of their business models. With a well-planned, future-ready trans-formation to full Internet Telephony,Succession solutions leverage near-termrevenue streams for long-term gain.The cost savings generated fromdeploying Succession solutions can help recover your investment associatedwith the network transition.

Helps increase yourcompetitive velocityInternet Telephony is evolving in aderegulated, high-velocity environmentwith no tolerance for proprietarysystems. The central office is giving wayto the distributed office, with switchfunctions unbundled. Our open APIsand optional Java-based programmingenvironment enable you to add newand differentiated services quickly byusing industry-standard developmenttools or drawing on third-party develop-ers. Rapid service creation speeds time-to-revenue and drives down costs. Inexisting networks, Succession solutionsseamlessly connect to standards-compliant switching offices, ATM or IP backbones, and legacy SS7signaling/Intelligent Network resources.

Includes cable TV, broadband wireless, and other“first mile” technologiesSuccession solutions cover the first mileof the network, and Nortel Networksoffers a range of end-to-end solutionsto deliver access with much greaterspeed and capacity—helping driveInternet Telephony profitability.Succession solutions decrease costs andincrease revenues regardless of how sub-scribers choose to access your network.

Simplifies networkmanagementThe disparate systems that provision,bill, and manage today’s IP networkssimply won’t scale to serve a mass-market Internet Telephony offering. A suite of synergistic solutions from ourPreside portfolio helps you effectivelyprovision, deploy, manage, and bill newand existing services in a timely fashionwithout undue burden on your opera-tions staff. For example, the PresideManager for Succession lets youmanage QoS and Service LevelAgreements (SLAs) at the subscriberlevel across an entire network, with the potential to increase revenues byrapidly introducing and provisioninghigh-value services.

For enterprisesHelps put an end to stranded investmentsStandards-compliant Successionsolutions serve as a long-term invest-ment, whether you want to implementInternet Telephony immediately, orleverage your current communicationssystem with incremental migration toIP, all with minimal impact on youremployees, customers, and suppliers.Our adherence to internationalstandards not only expands ourinteroperability with other vendorproducts and systems, but it canenhance these investments. Forexample, our use of the LightweightDirectory Access Protocol (LDAP)standard helps eliminate the headachesassociated with managing separate,independent voice and data directoriesthroughout your business.

Key attributes of

for Internet Telephony

PortfolioNortel Networks leads the InternetTelephony market for all majorsegments. Succession solutions offer a complete portfolio of InternetTelephony applications in each of thesesegments, including communicationservers, multi-service gateways, corerouting and switching elements,Internet terminals, network manage-ment, a Java-based service creation plat-form, advanced eBusiness applications,professional services, a feature-richDMS service set, and more. Successionsolutions can accommodate eitherATM or IP, and can be flexibly mixedand matched to meet your particularneeds. No matter where your networkis starting from, Nortel Networks canposition your network for the future.

Long Distance SolutionThe Succession Long Distance solutionprovides multiple options to deliverfull-featured, carrier-class long-haulmultimedia transport over multi-serviceIP networks. Now you can take advan-tage of the dramatically improved costcontrol, open standards, and fast time-to-market for new and differentiatedservices promised by IP networks with-out sacrificing the values of traditionaltelephony—such as voice quality,service richness, reliability, scalability,and manageability.

Local Tandem SolutionThe Succession Local Tandem solutiondelivers complete, multi-vendor-compatible, multi-service networksoptimized for telephony features andemerging IP services/applications overan ATM-based backbone. Migratingexisting voice traffic onto this networkhelps reduce operating costs and capitalexpenditures, relieve trunk exhaustissues, and protect current revenuestreams and networking investments.

Local Line SolutionNow you can smoothly transitiontoday’s revenue-generating services totomorrow’s packet access domain bydirectly connecting subscriber interfacesto your ATM backbone. With theSuccession Local Line solution, you canuse Internet Telephony to deliver thesophisticated, world-class DMS familyof business and residential features,including Centrex, CLASS, coin, xDSL, and more.

Cable Media SolutionWith the scalable, end-to-endSuccession Cable Media solution, you can unite voice, video, and data on integrated, broadband access andtransport networks. Whether you buildnew or incorporate existing Hybrid-Fiber-Coax (HFC) plant, you deployone network in place of multiple wire-line, coax, and fiber overlays to deliverhigh-speed, reliable communicationservices with the lowest total cost ofentry investment.

Enterprise SolutionThis solution delivers the fullydistributed multi-service communica-tions network sought by many dynamiccorporations today. Its portfolio offers a seamless migration that incorporatesyour “real world” investments to a cost-reducing, ubiquitous IP network. With support for e-commerce,Internet-enabled Symposium CallCenter Server, CallPilot unifiedmessaging, and more, this scalable,reliable system can enhance employeeproductivity as it helps forge closercustomer relationships.

Succession Solutions

CommunicationServers

AudioServer

WirelessServer

NetworkManager

SignalingServer

TrunkGateway

Inter-connected

CarrierOffice

DMS orAny

Vendor’sEnd Office

TrunkGateway

TR-08DLC

GR-303DLC/V5.2

FixedWireless

Access

DMSSwitch

Remote

OtherGateway

CableGateway

EnterpriseNetwork

CPE/CLEDevice

CPE

WirelessGateway

WirelessNetwork

AccessGateway

3rdParty

OtherRAS

VPNs

ISP/Intranets

Unified Services

Internet

POTS, ISDN,xDSL, VoDSL,VoIP,DS-1/DS-3Private Lines

SS7 Network

ATM or IPPacket Network

Like the World Wide Web, InternetTelephony will dramatically change theway we communicate and do business.And many of those changes will comein unexpected ways, with effects we can only begin to imagine now.

Succession solutions reflect the dynamicnature of the Internet. Nortel Networkswill continue to build solutions tosupport the high-performance opticalInternet so you can compete andsucceed with Internet Telephony. So, keep talking. We’re listening.

Continueto tell us

what youwant Internet

Telephony to be

Succession Solutions Portfolio

For more information on

Succession Solutions, visit us at:

www.nortelnetworks.com/succession

*Nortel, Nortel Networks, the Nortel Networks corporate logo, the globemark design, How the world shares ideas, OPTera, Preside, Symposium, CallPilot, and Succession are trademarks of Nortel Networks. All other trademarks are the property of their owners.

Copyright (C) 2000 Nortel Networks. All rights reserved. Information in this document is subject to change without notice. Nortel Networks assumes no responsibility for any errors that may appear in this document.

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