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Estonian Telecom Selects Unisphere Networks' ERX Edge Router and Service Selection Center for On-demand IP Service Provisioning

Siemens to supply products that will ensure quality of service for upcoming Eurovision Song Contest

Rotterdam, Netherlands, May 24, 2002 - Unisphere Networks, Inc. today announced that Estonian Telephone Company (ETC), a fully owned subsidiary of Estonian Telecom, selected Unisphere Networks' ERX Edge Router and Service Selection Center (SSC) to provide advanced services for ADSL customers as part of an agreement with Siemens Information and Communication Networks (IC Networks). Together, Unisphere Networks' ERX and SSC provide the performance, density and scalability requirements needed to address the growing Estonian demand for dynamic next-generation broadband service provisioning.

In addition to advanced IP services, ETC chose Unisphere Networks' ERX and SSC to ensure the IP Quality of Service (QoS) for the broadcast of the upcoming Eurovision Song Contest. The Eurovision Song Contest is a three-hour TV show viewed by nearly 300 million people in as many as 36 countries. ETC has decided to make the contest available to its DSL subscribers by giving them the option to select the multicasted streaming video through the Web-based portal interface of the SSC.

"Unisphere's ERX provides competitive performance and powerful services such as IP QoS and Virtual Private Networks (VPNs)," said Toivo Praakel, director of ETC Carrier Network. "The ERX/SSC platform provides better quality, advanced functionality and lower cost interfaces that allow us to expand the types of services that we offer to our customers and ultimately deliver on the growing demand for service management."

ETC is deploying Unisphere Networks' ERX Edge Router with integrated Broadband Remote Access Server (BRAS) functionality, specifically designed to deliver subscriber management, IP service support and Internet routing capabilities at wire-speed performance. When combined with Unisphere Networks' SSC, the ERX supports a dynamic service creation and delivery model that will allow ETC to offer innovative, on-demand broadband services. Unisphere Networks' products are built upon an Edge-Optimized Architecture, enabling wire-speed functionality with ensured IP QoS across network applications. With these products, ETC will save in capital investment and a more simplified network management.

"We have addressed Estonian Telecom's network concerns with an edge-optimized solution, enabling it to deliver a more cost-effective and scalable DSL service to its growing customer base," said Rob Pronk, director, Northern Europe, Unisphere Networks. "With this deployment, ETC subscribers can benefit from the ability to dynamically provision innovative, revenue generating broadband services, including the Eurovision Song Contest. We are well aware that this contest is a very important event for the whole Estonian nation and we are extremely pleased that Estonian Telecom selected us as its partner for this new era in its network."

About Estonian Telecom

Estonian Telecom is a holding company registered and operating in the Republic of Estonia, whose subsidiaries provide telecommunications services. Estonian Telecom is the holding company for dominant fixed-line player Estonian Telephone Company (ET) and leading mobile operator Estonian Mobile Telephone Company (EMT). Estonian Telecom is not directly involved in commercial operations, and its profit accumulates mainly from the profits of other companies in the group - Republic of Estonia, Public investors, Telia AB, Sonera Holding B.V., Baltic Tele AB.

About Juniper Networks, Inc.

Juniper Networks leads the industry in turning network innovation into the reliable delivery of core, edge, mobile and cable Internet services at scale for the New Public Network. Headquartered in Sunnyvale, California, Juniper Networks offers additional information on its product and service offerings at www.juniper.net.

Juniper Networks is registered in the U.S. Patent and Trademark Office and in other countries as a trademark of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.