ADVISORY/Zhone Speaker to Participate in Conference Panel at VoDSL 2001 in New York, NY.

    Business Editors/Assignment Writers

    --(BUSINESS WIRE)--
    ADVISORY...for Wed. and Thurs. (April 25-26)
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      Who & What:

      Zhone Technologies, Inc., the first company dedicated to building
comprehensive delivery solutions for voice, data, and content
services, will feature a panel speaker at the 2001 VoDSL conference in
New York City, April 25-26, 2001.
      Eric Presworsky, Assistant Vice President of Product Strategy at
Zhone Technologies, will speak at a panel session on the challenges of
VoDSL deployment, on Thursday, April 26, 2001. Other speakers on the
panel include Rob Lesieur from General Bandwidth, James Im from Lucent
Technologies, Jane Wasson of Turnstone and Glenn Kime from Avail
Networks.

      Where & When:

      VoDSL 2001 Conference
      Windows on the World
      NewYork, NY
      April 25-26, 2001

      Panel:

      "Reliability and QoS issues with VoDSL" Eric Presworsky, Assistant
Vice President of Product Strategy Thursday, April 26, 9:20-10:20 a.m.
ET

      Background:

      Zhone's strategy combines existing solutions with Zhone's
internally developed intellectual property to create a portfolio of
scalable next-generation network products supporting a rich array of
voice, video, Internet, and entertainment services. The company was
founded by the senior management team that grew telecommunications
pioneer Ascend Communications, Inc., from its startup roots to the
multibillion-dollar company acquired by Lucent Technologies (NYSE: LU)
in September 1999. Zhone's advanced networking solutions include the
Single Line Multi-Service architecture (SLMS(TM)), Zhone Management
System (ZMS(TM)), Broadband Access Node (BAN(TM)), Sechtor(TM)
universal voice gateway, and Z-Edge(TM) access products.
      For more information about Zhone and its products, please visit
the Zhone Web site at www.Zhone.com or e-mail [e-mail].

      Zhone, the Zhone logo, and all Zhone product names are trademarks
of Zhone Technologies, Inc. Other brand and product names are
trademarks of their respective holders. Specifications, products,
and/or product names are all subject to change without notice.

    --30--jb/sf*

    CONTACT: Zhone Technologies
             Emily Baciu, 510/777-7454
             [e-mail]
             Tim Donovan, 510/777-7020
             [e-mail]

    KEYWORD: CALIFORNIA NEW YORK
    INDUSTRY KEYWORD: COMPUTERS/ELECTRONICS TELECOMMUNICATIONS
ADVISORY