Nortel Claims Mobile First

PARIS -- Nortel* [NYSE/TSX: NT] has successfully achieved the industry's first simultaneous uplink and downlink high-speed wireless calls between two mobile devices at uplink speeds four times faster than current UMTS services.

Nortel's demonstration - planned to be repeated at next week's 3GSM World Congress in Barcelona -- uses Nortel's commercial UMTS Base Transceiver Station and Aeroflex's TM500 handset simulator to exchange VOIP, videos and files at uplink speeds of 1.4 Mbps.

This achievement illustrates the potential viability of next-generation wireless technologies for high-bandwidth applications between mobile devices such as VOIP, video streaming, real-time high-definition mobile gaming and large file exchange. High-speed uplinks are particularly valued by media agencies transferring high-definition images and video content from locations with no broadband wireline access.

Nortel's HSDPA technology is already being rolled out by operators to improve the downlink capacity of commercial 3G networks. Nortel's HSUPA is expected to be available from the beginning of 2007 and to deliver a higher uplink throughput, reduced latency, and higher capacity, with a software upgrade of commercial networks.

"The successful demonstration of simultaneous HSUPA and HSDPA across our commercially available equipment highlights Nortel's continuous drive for technological innovation within wireless broadband markets," said Jean-Luc Jezouin, vice president GSM&UMTS Products, Nortel. "Nortel is committed to providing today's wireless operators with simple, cost-effective solutions that improve the quality and range of services to subscribers to maximize opportunities for increased revenues."

Nortel Networks Ltd.

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