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Siemens Announces AT&T Certification of Siemens SURPASS hiT 7500 System for Network Use

Posted on: Monday, 11 October 2004, 06:00 CDT

Siemens Communications, Inc., announced that its customer AT&T has certified the Siemens SURPASS(R) hiT 7500 multi-haul dense wavelength division multiplexing (DWDM) system for use throughout its network. In connection with this certification, AT&T announced last week that it reached another key milestone in its vision of an all-optical network by carrying live customer traffic on a major route between San Francisco and Seattle, using the Siemens SURPASS hiT 7500 DWDM System.

With transmission rates of up to 3.2 terabytes per second over 80 channels, up to 40G per channel and a photonic range of up to 2,000 kilometers, the Siemens platform gives AT&T a high-speed, flexible transport architecture that has the agility and scalability it needs to serve the dynamic requirements of its customers. The SURPASS hiT 7500 system also requires less photonic signal regeneration and optical-electronic-optical (OEO) conversions along the way, to help AT&T achieve its goals of lower costs, less cycle time and improved reliability. And because AT&T can remotely configure network paths and more quickly provision photonic wavelengths through tunable transponders, ROADMs (remotely configurable optical add-drop multiplexers), and photonic crossconnects, lower costs can be achieved while continuing to improve responsiveness to customer needs.

"We are getting ever-closer to realizing our vision of one photonic network with zero defects and cycle times in our provisioning," said Hossein Eslambolchi, president of AT&T Global Networking Technology Services, chief technology officer and chief information officer. "Even as our network achieves more efficiency, our enterprise customers will reap the benefits of better reliability and more functionality."

"AT&T's commercial deployment of our SURPASS hiT optical platform in its West Coast transport route is a major validation of years of Siemens engineering and its enormous investment in DWDM technology," said Harald Braun, president of the Carrier Networks division of Siemens Communications. "That's because AT&T's architectural, engineering, operational and reliability standards are among the most demanding in the industry. We are proud to help AT&T deliver the finest service to its customers at a competitive cost."

About Siemens

Siemens AG (NYSE:SI) is one of the largest global electronics and engineering companies with reported worldwide sales of $80.5 billion in fiscal 2003. Founded more than 150 years ago, the company is a leader in the areas of Automation and Control, Information and Communications, Lighting, Medical, Power and Transportation. With its U.S. corporate headquarters in New York City, Siemens in the USA has sales of $16.6 billion and employs 70,000 people throughout all 50 states and Puerto Rico. Eleven of Siemens' worldwide businesses are based in the United States. With its global headquarters in Munich, Siemens AG and its subsidiaries employ 423,000 people in 192 countries.

For more information on Siemens in the U.S.: www.usa.siemens.com.

About Siemens Communications

Siemens Communications, Inc., is one of the largest players in the global telecommunications industry. Siemens is the only provider in the market that offers its customers a full-range portfolio, from devices for end users to complex network infrastructures for enterprises and carriers as well as related services. Siemens Communications, Inc., is the world's innovation leader in convergent technologies, products and services for wireless, fixed and enterprise networks. It is the largest Group within Siemens and operates in more than 160 countries around the world. In fiscal 2003 (year-end September 30), its 60,000-strong workforce posted sales of more than $17 billion.

For more information: www.siemens.com/communications.

NOTE: SURPASS is a registered trademark of Siemens AG or its subsidiaries and affiliates. All other company, brand, product, and service names are trademarks or registered trademarks of their respective holders.

This release contains forward-looking statements based on beliefs of Siemens management. The words "anticipate,""believe,""estimate,""forecast,""expect,""intend,""plan,""should," and "project" are used to identify forward-looking statements. Such statements reflect the company's current views with respect to future events and are subject to risks and uncertainties. Many factors could cause the actual results to be materially different, including, among others, changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products, lack of acceptance of new products or services and changes in business strategy. Actual results may vary materially from those projected here. Siemens does not intend or assume any obligation to update these forward-looking statements.

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