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Passport 4400 Series Extends Affordable Next Generation
Networking to Branch Offices

Nortel (Northern Telecom) today announced a breakthrough in
multimedia networking which continues its Power Networks
mission to make networks more cost-effective, secure,
simple, reliable, and responsive. The Nortel Passport 4400
series of multiservice access devices extends the values of
the award winning Passport ATM enterprise network switch to
branch offices - offering superior network economics, access
and performance. The Passport 4400 series will address most
forms of public network connectivity, including leased
lines, frame relay, ATM and ISDN at speeds from 64 Kbps to
T-1/E-1. The first Passport 4400 products are available
today for carriers offering integrated multimedia service
directly to the customer premise.

The Passport 4400 series combines the power of Passport's
Switched Virtual Circuit (SVC) networking and end-to-end
quality of service control with the performance of voice and
data compression technology developed by MICOM (a Nortel
subsidiary) to consolidate all network traffic from a branch
office over a single network link into the backbone wide
area network. Performance, fanout and management options are
available to provide cost-effective solutions for both large
and small enterprises. "Enterprise customers require network
consolidation and IP network simplification at all of their
sites, but branch offices require a lower entry cost to
justify the purchase," said Jennifer Pigg, vice president,
data communications, Yankee Group. "Carriers are looking for
integrated solutions such as Nortel's Passport 4400 to serve
the multimedia requirements of their customers with smaller
branch offices." The Passport 4400 series is another
milestone in Nortel's quest to transform enterprise networks
into Power Networks, of which flexible network access is a
key capability. The Passport product line integrates today's
separate and parallel voice and data network environments
into multimedia Power Networks that are more responsive,
flexible, reliable, simple and secure--with a substantially
lower total cost of ownership--than traditional networks.

"In our increasingly digital global economy, the network is
the business," said Doug Kaye, vice president, marketing and
operations, Magellan. "Power Networks, and specifically,
developments in WAN architecture such as the Passport 4400
series, allows expansion of these networks to all parts of
the corporation, including the small or remote branch

The first two products from this series – Passport 4430 and
4450 -- provide cost-effective consolidation of voice and
LAN traffic at the branch level as part of a carrier managed
service. Unlike traditional FRADs, the Passport 4400 series
is built on frame relay switched virtual circuit (SVC)
networking for ease of management, and allows for multiple
classes of service to accommodate delay-sensitive traffic
such as voice.

Nortel Enterprise Networks transforms networks that power
businesses worldwide. Nortel Power Networks apply
high-capacity, digital communications technology to customer
needs through the integration of products and services
including: Magellan wide area networking and access
solutions; Meridian 1 and Norstar digital switching;
Companion mobility solutions; the Nortel Symposium
multimedia communications portfolio; MICOM V/IP products;
Network Transformation Services; Rapport Internet and
intranet access and security products; and a portfolio of
consumer products.

Enterprise Networks is a business unit of Nortel, a
diversified provider of market-leading communications
equipment, services and network solutions for business,
commerce and entertainment. Nortel had 1996 revenues of $US
12.8 billion and has approximately 68,000 employees

Nortel, Power Networks and Magellan are trademarks of
Northern Telecom.

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