Laurie Falconer
Centillium Communications, Inc.
(510) 771-3647
[email protected]


Sunrise Telecom Delivers Full-Rate and G.lite ADSL Testing Solution Based on Centillium Chipset

FREMONT, Calif., July 12, 2000 - Sunrise Telecom and Centillium Communications, Inc. (Nasdaq: CTLM), innovator of broadband communications technology, today announced a strategic alliance to develop an Asymmetric Digital Subscriber Line (ADSL) handheld terminal for Sunrise Telecom's SunSet xDSL tester by utilizing Centillium's CopperFlite™ Utopia Customer Premise Equipment (CPE) chipset. This module will enable installers to pre-qualify their ADSL system as compatible with full rate and G.lite ADSL standards, including annex A and C. The annex A standard is utilized in most regions of the world where service providers are deploying G.lite ADSL, while annex C is primarily utilized in Japan.

Sunrise Telecom's ADSL module will be able to synchronize with an ADSL Central Office (CO) line cards compatible with Centillium's CopperFlite Utopia. This ADSL module will give ADSL installers all of the measurements needed for a successful turn-up, including the rate and noise margin for both upstream and downstream. This testing solution, targeted for both Japan and rest of world markets, is in full compliance with ADSL standards, including ANSI T1.413, G.992.1 full-rate and G.992.2. Various protocols for IP Packet Internet Groper (PING) will be supported to enable verification of connectivity to the far end of the network.

SunSet xDSL Solution
The SunSet xDSL family of test equipment can help service providers ensure timely delivery of DSL service. All platforms are inherently modular, supporting a variety of plug-in modules that address a number of different transmissions, such as ADSL, IDSL, SDSL, HDSL, and voice frequency. This ADSL module will be the latest addition to the SunSet xDSL product line. With future offerings in development, the SunSet xDSL family can be adapted to a service provider's evolving network.

About Sunrise Telecom
Sunrise Telecom Incorporated manufactures and markets service verification equipment to pre-qualify, verify, and diagnose telecommunications and Internet networks. The company was founded in 1991 and is based in San Jose, California. Sunrise Telecom distributes its products through a network of sales representatives, distributors and a direct sales force throughout six continents. Additional information is available at

About Centillium Communications
Centillium Communications, Inc. is combining technical innovation and customer commitment to make broadband communications a market reality. Centillium consistently delivers value to its customers by providing broadband networking systems for applications across all market segments. The company designs and markets communications chipset solutions for central office equipment, digital loop carrier (DLC) line cards, and customer premise equipment for Digital Subscriber Line (DSL), Voice over Packet (VoP) and Premise Networking. The Centillium Communications headquarters are located at 47211 Lakeview Blvd., Fremont, CA 94538. Additional information is available at

Forward Looking Statements
Except for historical information contained in this press release, the foregoing contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from those indicated by such forward-looking statements based on a variety of risks and uncertainties, including the risks and uncertainties relating to actual quantities and timing of any orders received under the contract and the successful development and market acceptance of Centillium's new products. The company assumes no obligation to update these forward-looking statements to reflect events or circumstances after the date hereof. Information about potential factors that could affect Centillium's financial results is included in Centillium's Annual Report on Form 10-K and most recent Quarterly Report on Form 10-Q, available for viewing on the Securities and Exchange Commission's website at

Centillium Communications and the Centillium logo are trademarks of Centillium Communications.

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