UTStarcom to Work with Centillium to Promote VoIP Broadband Access Solutions.

Business Editors/High-Tech Writers

FREMONT, Calif.--(BUSINESS WIRE)--April 14, 2004

Companies Set Sights on Emerging Global Opportunities by Combining

Market-Leading System Design and Ground-Breaking Silicon Solutions

Centillium Communications, Inc. (Nasdaq:CTLM), a leading provider of broadband access solutions, and UTStarcom Inc. (Nasdaq:UTSI), a global leader in IP access networking solutions, today announced their association to promote Voice over Internet Protocol (VoIP) broadband access solutions globally. This association leverages UTStarcom's expertise in system design and Centillium's technology leadership in broadband access and next-generation VoIP system-on-chip and software solutions.

UTStarcom has emerged as a major force in the telecommunications industry by offering innovative IP access products to more than 300 installed customers in established and high-growth markets around the world. Because of the company's expertise in IP technology and commitment to its customers' success, UTStarcom ranks among the global leaders for its IP DSLAM, media gateways, and softswitch products, and has led the adoption of IP with leading carriers worldwide. UTStarcom also pioneered the award-winning iPAS(TM) (IP-Based Personal Access System), a cost-effective, local-loop solution that enables service providers to offer wireless voice and data services within a city or community.

Centillium Communications has established a successful track record in the broadband access market by offering the ground-breaking eXtremeDSLMAX(TM) technology which is designed to deliver up to 50 megabits per second (Mbps) in downstream speeds and up to 3 Mbps in upstream speeds. Centillium also produces the award-winning Entropia(TM) family of products combining unparalleled channel density with unsurpassed voice processing capabilities for VoIP systems.

"UTStarcom has chosen Centillium as its VoIP chip vendor because of their commitment to introduce products that drive innovative broadband access technology," said Hong Lu, president and chief executive officer of UTStarcom. "Working with technology suppliers such as Centillium facilitates our continued ability to grow our markets and expand our technology."

"No other company in broadband access has developed its product portfolio to bring state-of-the-art and low cost telecommunications to new and emerging markets like UTStarcom," said Faraj Aalaei, chief executive officer and co-founder of Centillium. "UTStarcom and Centillium are working towards achieving the 21st century's promise of worldwide broadband access, delivering video, voice and data."

About Centillium Communications

Centillium Communications, Inc. is a leading provider of broadband access solutions with innovative systems-level products for the consumer, enterprise and service provider markets. The Company's high-performance and cost-effective infrastructure and service enabler products give its customers the winning edge in broadband access. Centillium Communications' products include mixed-signal integrated circuits and related hardware and software applications for Digital Subscriber Line (DSL) and Optical Networking equipment deployed in central offices and customer premises, and Voice over Internet Protocol (VoIP) products for carrier- and enterprise-class gateways and consumer telephony. The Centillium Communications headquarters is located at 47211 Lakeview Blvd., Fremont, CA 94538. Additional information is available at www.centillium.com.

About UTStarcom

UTStarcom is a global leader in IP access networking solutions and international service and support. The company sells its wireline, wireless, optical and switching solutions to operators in both fast growth and established telecommunications markets around the world. UTStarcom enables its customers to rapidly deploy revenue-generating access services using their existing infrastructure, while providing a migration path to cost-efficient end-to-end IP networks. Founded in 1991 and headquartered in Alameda, California, the company has research and design operations in New Jersey, China, and India.

For more information about UTStarcom, visit the company's Web site at www.utstar.com.

Forward Looking Statements

Except for statements of historical fact, this release includes statements that are forward-looking statements within the meaning of U.S. Federal securities laws. Actual results may differ materially from those indicated by such forward-looking statements based on a variety of risks and uncertainties, including without limitation the risks and uncertainties relating to rate and breadth of deployment of broadband access in general and Centillium's DSL and VoIP technology solutions in particular; Centillium's ability to continue and expand on its relationships with communications equipment manufacturers, including but not limited to UTStarcom; and the successful development and market acceptance of Centillium's new products and technology. Centillium undertakes no obligation to update forward-looking statements for any reason. Information about potential factors that could affect Centillium's financial results is included in Centillium's Annual Report on Form 10-K and in other documents on file with the Securities and Exchange Commission.

Centillium Communications, the Centillium logo, eXtremeDSLMAX and Entropia are trademarks of Centillium Communications. All other products or service names mentioned herein are the property of their respective owners.