Indianapolis, IN (NYSE) 23 November 2005

Nortel * [NYSE / TSX: NT] has selected Trilithic, Inc. Emergency warning systems to deliver within its IPTV ecosystem. As part of Nortel? S end to end IPTV solution, Trilithic? S EAS provides FCC inform national alert level was responsible for the public on television as well as interruptions for weather warnings National Weather Service and Amber Alert.

Trilithic offers E.A.S. Solutions for Broadband Cable, Low Power FM, TV and IPTV. Trilithic? S Emergency Alert System for IPTV provides a digital solution, the different configurations for the local channel insertion, centralized, and add the flexibility of each channel. With a custom configuration of the EAS SMS alerts, and digital audio over the IP network via Ethernet to a middleware server or a companion encoder / decoder in the station or Super Video Hub Office for distribution of an entire region or supplied market with minimal hardware requirements.

Trilithic? s Emergency Alert System has extensive interoperability testing Nortel? s IPTV lab in Ottawa to ensure high reliability of the end end integration solutions. Trilithic also works closely with middleware companies, integrated solution for IPTV providers offer in the area.

â? As a market leader in E.A.S. We recognize the continuing need to develop the product line architecture for the telecommunications industry and strengthen the anticipated growth of digital transmission, â? President says Trilithic, Terry Bush. â? With new technologies in conjunction with Video on Demand, IPTV and other networking strategies, Trilithic? s EAS Division is prepared to continue technology.â superior EAS solutions for the development?

Trilithic is the only ISO-9001: 2000 Emergency Alert System manufacturer and supplier to the telecommunications industry with a division solely dedicated to EAS applications.


About Trilithic

Trilithic, Inc. is a leading provider of telecommunications solutions for major Broadband and RF & microwave markets around the world. Consisting of three business units: Broadband & Systems Test, analysis and quality management solutions, provides world-wide for large cable-TV systems. RF & Microwave Components Division provides various components and custom subsystems for companies specializing in cellular, military and other wireless applications. The E.A.S. Division is a leading provider of systems of the government imposed emergency alert mechanism services using broadband, broadcast and IPTV service providers in the United States.

Trilithic has continuously its production capacity to increased demand for its products, both enhanced by meeting the design, development and manufacture of automation and testing. Trilithic provides a broad base of products from more than 1500 measurement products and communications components for thousands of customers worldwide. The company’s articles of association? S state of the art 120,000 square foot world headquarters in Indianapolis, Indiana. As an ISO 9001:2000 certified company with over 40 years of collective expertise in the design and installation of custom Trilithic specializes in quality products, services and solutions to meet the communication and acts beyond its customers? Expectations.


Trilithic

s Media :? ???


Karalee Slayton

Director of Marketing & Communications

317-423-6604

pr@trilithic.com

# # #

clear = “all”
Emergency Alert System