SAN FRANCISCO, April 4 /PRNewswire-FirstCall/ -- The National Show -- Booth #6158 -- Scientific-Atlanta's DPX2213 and DPX2203 cable modems with an embedded media terminal adapter received PacketCable(TM) 1.0, DOCSIS(R) 2.0 and DOCSIS 1.1 certification from CableLabs(R) in Certification Wave 33. By providing support for high-speed data and voice services from cable modem EMTAs, Scientific-Atlanta enables cable operators to deliver low-cost voice services in homes and businesses via the cable network using Voice over IP (VoIP) technology.

Certification of the DPX2213 and DPX2203 helps in achieving compatibility and interoperability with other PacketCable-certified and qualified devices including Call Management Servers, Media Gateways and Cable Modem Termination Systems (CMTS).

About Scientific-Atlanta

Scientific-Atlanta, Inc. ( http://www.scientificatlanta.com/ ) is a leading supplier of digital content contribution and distribution systems, transmission networks for broadband access to the home, digital interactive set-tops and subscriber systems designed for video, high-speed Internet and voice over IP (VoIP) networks, and worldwide customer service and support.

"Forward-looking statements," as defined in the Private Securities Litigation Reform Act of 1995, may be included in this news release. A variety of factors could cause Scientific-Atlanta's actual results to differ from the anticipated results expressed in such forward-looking statements. Investors are referred to Scientific-Atlanta's Cautionary Statements (Exhibit 99.1 to the Company's most recent Form 10-Q), which statements are incorporated into this news

CONTACT: Peggy Ballard, +1-770-236-7871, or peggy.ballard@sciatl.com ,
or Sara Stutzenstein, +1-770-236-2181, or sara.stutzenstein@sciatl.com , both
of Scientific-Atlanta, fax, +1-770-236-3088

Web site: http://www.scientificatlanta.com/