Telmex Picks SR TelecomTelmex Picks SR Telecom

MONTRÉAL -- SR TelecomTM Inc. (TSX: SRX; Nasdaq: SRXA) announced today that itssymmetry™ Broadband Fixed Wireless Access platform has been selected by Telmex Argentina for a broadband dataand voice network across Argentina. This is the first contract win for symmetry, which was launched in early November.symmetry is the industry’s first OFDMA-based WiMAX-ready platform. An evolution of SR Telecom’s field-provenangel™ product technology, symmetry encompasses the key technologies outlined in the latest draft of the 802.16estandard. It offers carriers a broadband wireless solution they can immediately deploy and that will allow them to enhancetheir service offerings in step with evolving WiMAX standards.

In its first phase, this major expansion of Telmex Argentina’s service offering will reach into five cities. Telmex hasaggressive plans to capture a significant portion of the growing small business and small office/home office broadbanddata and voice market in Argentina by leveraging symmetry’s unique high-speed data and voice capabilities.

symmetry shipments will commence immediately and Telmex expects to begin launching nationwide services by thesecond quarter of 2005. Further significant network expansions are planned over the next several years as demand forservices accelerates. Critical considerations in the selection of symmetry include its carrier-class voice and broadbanddata support, the demonstrated reliability of SR Telecom’s NLOS technology, and symmetry’s seamless migration path toWiMAX-certified sectors.

“We are delighted to have been selected by Telmex for this major new initiative across Argentina and look forward toworking closely with them over the coming years as they build out their broadband network,” said Pierre St. Arnaud,SR Telecom’s President and Chief Executive Officer. “Additionally, we are very pleased that symmetry has quicklyestablished itself in the marketplace, and is generating intense interest from a wide range of our customers throughout theworld.”

SR Telecom Inc.

Teléfonos de México