Major North American Service Provider Taps JDSU's QT-50 Service Assurance Software Agent for VoIP Transition at Major Corporate Account MILPITAS, Calif., Sept. 11 /PRNewswire-FirstCall/ -- JDSU today announced an innovative new software agent that helps ensure business-class, high quality of service (QoS) for providers supporting the large-scale transition of their business customers to Voice over Internet Protocol (VoIP) service. An integral part of JDSU's NetComplete Service Assurance VoIP portfolio, the QT- 50 equips providers with the critical ability to proactively monitor and troubleshoot issues and evaluate metrics that can affect voice quality - such as mean opinion score (MOS), R-factor, jitter, packet loss, and packet statistics -- by simulating the IP call experience as if at the customer premise. This new solution as well as JDSU's complete VoIP and IPTV test portfolio will be on display at VON 2006, Boston, September 11-13, booth number 249. The QT-50 works together with JDSU's industry-leading operations support systems (OSS), called NetAnalyst and NetOptimize, to deliver both on-demand testing and performance management capabilities. It places and receives active test calls between other software agents and JDSU QT probes (such as the QT- 600 Ethernet and triple-play probe) deployed across a provider's network. By creating meshes of synthetic VoIP calls throughout the network, it proactively identifies potential degradations end-to-end (i.e., between hundreds of office buildings) for continuous and active monitoring of VoIP quality, helping providers gain a solid understanding of their customer's VoIP service experience. The measurements and reports generated by the QT-50 provide the key QoS metrics needed to instill confidence that call signal and voice clarity are of an exceptional level and meet customer expectations. "JDSU is proud to deliver service providers a confidence-builder when transitioning their business customers' phone networks to VoIP service," said Roger Lingle, vice president of marketing for JDSU's Service Assurance Solutions business unit. "The QT-50 is a highly flexible, light weight software agent that performs the vital task of extending the visibility of VoIP performance all the way to what the end user would experience." A major North American service provider has selected the JDSU QT-50 to support a VoIP deployment contract currently underway, supporting one of its major business customer's transition to VoIP across hundreds of remote offices. About NetComplete - JDSU's Service Assurance Solution The NetComplete portfolio provides the flexibility to manage and troubleshoot QoS in networks today. NetComplete also delivers a comprehensive end-to-end solution for service turn-up, fault isolation, problem detection, segmentation, and troubleshooting, active and passive performance management, and capacity planning across voice, video, and data services providing a far- reaching complete view into current and future network and service level performance. About JDSU JDSU (NASDAQ: JDSU; and TSX: JDU) is committed to enabling broadband & optical innovation in the communications, commercial and consumer markets. JDSU is a leading provider of communications test and measurement solutions and optical products for telecommunications service providers, cable operators, and network equipment manufacturers. Furthermore, JDSU is a leading provider of innovative optical solutions for medical/environmental instrumentation, semiconductor processing, display, brand authentication, aerospace and defense applications, and decorative. More information is available at http://www.jdsu.com/. The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Act of 1934. Such forward-looking statements include, but are not limited to, any statement or implication that the products described in this press release (i) will be successfully introduced or marketed, (ii) will be qualified and purchased by our customers, or (iii) will perform to any particular specifications or performance or reliability standards. Such forward-looking statements involve risks and uncertainties that, if realized, could materially impair the Company's results of operations, business, and financial condition. These risks and uncertainties include, but are not limited to, (a) the failure of the products (i) to perform as expected without material defects, (ii) to be manufactured at acceptable volumes, yields, and cost, (iii) to be qualified and accepted by our customers, and (iv) to successfully compete with products offered by our competitors, and (b) factors discussed from time to time in reports filed by the Company with the Securities and Exchange Commission. The forward-looking statements contained in this news release are made as of the date hereof, and the Company does not assume any obligation to update or qualify any of the statements made herein. Source: JDS Uniphase Corporation. http://www.newscom.com/cgi-bin/prnh/20050913/SFTU125LOGO http://photoarchive.ap.org/ DATASOURCE: JDSU CONTACT: Media - Bernie Tylor, Public Relations, +1-240-404-1913, , Investors - Jacquie Ross, Investor Relations, +1-408-546-4445, Web site: http://www.jdsu.com/

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