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Nortel Receives Contract Extension from T-Mobile USA to Deliver Mobile Services

Network Upgrade to Improve Quality, Reliability for 26 Million Wireless Subscribers

(PresseBox) (Frankfurt am Main, ) T-Mobile USA Inc. and Nortel(1) (TSX: NT)(NYSE: NT) have signed a US$150 million multi-year extension to their contract to deliver mobile voice and data services. T-Mobile USA serves 26 million wireless subscribers across the United States and is a wholly-owned subsidiary of T-Mobile International, the mobile arm of Deutsche Telekom AG.

Nortel will continue to upgrade T-Mobile´s network and supply GSM wireless equipment and associated professional services. The upgrades are designed to help boost T-Mobile´s network efficiency and capacity, and enable T-Mobile to continue to satisfy traffic growth while making the most efficient use of available spectrum.

"T-Mobile USA´s previous deployments with Nortel enabled us to support more subscribers with a marked improvement in network performance, capacity and call quality," said Neville Ray, senior vice president of engineering operations, T-Mobile USA.

"T-Mobile is known for bringing a high-quality mobile experience to subscribers and Nortel´s GSM networking gear is part of what makes that promise possible," said Richard Lowe, president, Carrier Networks, Nortel. "Nortel continues to invest in GSM technology, working to increase the capacity and quality of networks for our customers while driving down the costs. For operators focused on a world-class 2.5G solution, or looking long term at 4G, Nortel´s GSM systems provide an excellent platform to meet the demands of today´s most popular wireless applications."

As part of the new extended agreement, Nortel will provide GSM infrastructure equipment and services across T-Mobile´s nationwide network. This continues a long-standing relationship between the companies. Nortel has supported GSM network planning and deployment for T-Mobile USA since the company´s inception as VoiceStream Wireless in 1995.

About T-Mobile USA

Based in Bellevue, Wash., T-Mobile USA, Inc., is a member of the T-Mobile International group, one of the world´s leading companies in mobile communications, and the mobile telecommunications subsidiary of Deutsche Telekom AG. At the end of March 2007, nearly 110 million mobile customers were served by companies of the Deutsche Telekom group - 26 million by T-Mobile USA - all via a common technology platform based on GSM, the world´s most successful digital wireless standard. T-Mobile´s innovative wireless products and services help empower people to connect effortlessly to those who matter most. Multiple independent research studies continue to rank T-Mobile highest, in numerous regions throughout the U.S., in wireless call quality and wireless customer care. For more information, please visit the company´s Web site at T-Mobile® is a federally registered trademark of Deutsche Telekom AG.

Nortel GmbH

Nortel is a recognized leader in delivering communications capabilities that make the promise of Business Made Simple a reality for our customers. Our next-generation technologies, for both service provider and enterprise networks, support multimedia and business-critical applications. Nortel´s technologies are designed to help eliminate today´s barriers to efficiency, speed and performance by simplifying networks and connecting people to the information they need, when they need it. Nortel does business in more than 150 countries around the world. For more information, visit Nortel on the Web at For the latest Nortel news, visit