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...Complete First Transatlantic Call Between ATM-based

As part of a technical trial, Nortel (Northern Telecom) and
the Societe Internationale de Telecommunications
Aeronautiques (SITA) and EQUANT have demonstrated the first
transatlantic call between PBXs with a switching fabric
based on Asynchronous Transfer Mode (ATM).

The call from the SITA and EQUANT office in Nice, France,
to the Nortel facility in Santa Clara, Calif., and Yale
University campus in New Haven, Conn. was part of a trial of
Nortel's Meridian 1 communication system with an ATM
switching fabric. Nortel, a global market leader in customer
premises equipment, is the first vendor to have PBXs with
this capability in trials at customer sites.

Nortel announced on September 12 the completion of the
first transcontinental U.S. voice call between PBXs
incorporating ATM switching fabrics from Yale University in
New Haven, Conn., to Nortel in Santa Clara.

Because of its superior bandwidth and ability to support
realtime voice and video and non-realtime data traffic,
standards-based ATM is the ideal technology for the Meridian
1 and Nortel's multimedia Power Networks. ATM provides a
foundation for a host of applications and capabilities that
will keep corporate and campus networks on the leading edge.

"This first transatlantic voice call between PBXs that
incorporate ATM switching fabrics is an industry milestone,"
said Jean-Claude Rosichini, vice president, Europe and
General Manager, Nortel, France.

"Networks will continue to grow in importance, and ATM in
the Nortel Meridian 1 represents a major step forward in
providing the flexibility and capability needed to support
global multimedia networks such as SITA and EQUANT's."

Nortel assisted in the design of the SITA and EQUANT Mega
Transport Network to support data requirements and then
helped evolve it to support voice, video and frame relay.
"The network is absolutely vital to us, not only in serving
the air transport business we were formed to support but in
expanding our offerings to non-airline businesses," said
Didier Duriez, Vice President, Engineering for the SITA
EQUANT joint venture. "Meridian 1 with ATM switching will
enable our systems to be more scaleable, and handle a lot
more traffic."

Rick Moran, vice president, Enterprise Networks Marketing,
Nortel added, "Nortel has experience in providing ATM-based
systems for enterprise wide-area and carrier networks, and
now we're working toward bringing it to the campus as part
of our Power Networks strategy. At the same time we remain
committed to our evergreen policy of adding new capability
while protecting the majority of our customers' Meridian 1
system investment."

Diane Trivett, Industry Analyst at Dataquest Europe
comments: "Integrated communication has become a strategic
issue for the business survival of user companies and their
suppliers. ATM provides the ability to achieve the necessary
performance in multimedia networks. Nortel's announcement is
a step towards realising the solutions required."

SITA, founded in 1949, serves more than 630 airlines and
air transport-related organisations in 225 countries and
territories by providing a wide range of telecommunications
and data processing services. EQUANT was founded in 1991 to
provide value-added global voice and data network services
to multinational companies.

In a Joint Venture SITA and EQUANT own and operate the
world's largest global telecommunications network.

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: Meridian 1 and Norstar digital switching;
Companion mobility solutions; the Nortel Symposium
multimedia communications portfolio; Rapport Internet and
intranet access and Entrust security products; Magellan wide
area networking systems; and a portfolio of consumer

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 worldwide. Nortel had a 1996
turnover of $US 3 billion in Europe, operating both
independently and through its joint ventures with the
LagardŠre Group in France (Matra Communications and Nortel
Matra Cellular), Olivetti SpA in Italy (Sixtel) and
Daimler-Benz Aerospace AG in Germany (Nortel Dasa Network
Systems). Nortel employs approximately 16,000 people across
Europe in research and development, manufacturing and sales.

Nortel, Power Networks, Meridian, Companion, Symposium,
Rapport and Magellan are trademarks of Northern Telecom.

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