Exhibit 99.1

                       [Openwave Systems Inc. Letterhead]


                            OPENWAVE ANNOUNCES STOCK
                               REPURCHASE PROGRAM

REDWOOD CITY, Calif. - September 17, 2001 - Openwave Systems Inc. (Nasdaq:
OPWV), today announced that its board of directors has authorized a stock
repurchase program of up to 5 million shares. As of September 17, 2001, Openwave
has approximately 172 million shares outstanding. The program is effective
immediately and has been authorized for up to one year, subject to
reconsideration by the Board of Directors.

Any purchases under Openwave's stock repurchase program may be made in the open
market, in privately negotiated transactions, or through the use of derivative
securities. Depending upon market conditions and other factors, purchases under
this program may be commenced or suspended at any time or from time-to-time
without prior notice.

About Openwave

Openwave Systems Inc. (Nasdaq: OPWV) is the worldwide leader of open IP-based
communication infrastructure software and applications. Openwave is a global
company headquartered in Redwood City, California. For more information, please
visit www.openwave.com.


This release contains forward-looking statements relating to expectations, plans
or prospects for Openwave Systems Inc. that are based upon the current
expectations and beliefs of Openwave's management and are subject to certain
risks and uncertainties that could cause actual results to differ materially
from those described in the forward-looking statements. In particular, the
following factors, among others, could cause actual results to differ materially
from those described in the forward-looking statements: (a) the ability to
realize our strategic objectives by taking advantage of market opportunities in
the Americas, Europe, the Middle East, and Asia; (b) the ability to make changes
in business strategy, development plans and product offerings to respond to the
needs of our current, new and potential customers, suppliers and strategic
partners; (c) risks associated with the development and licensing of software
generally, including potential delays in software development and technical
difficulties that may be encountered in the development or use of the Company's
software; (d) competition and technological changes and developments; (e)
general risks of the Internet and wireless and wireline telecommunications
sectors; and (e) the uncertain economic and political climate in the United
States and throughout the rest of the world and the potential that such climate
may deteriorate further.

For a detailed discussion of these and other cautionary statements, please refer
to the risk factors discussed in filings with the U.S. Securities and Exchange
Commission ("SEC"), including but not limited to



Openwave's Quarterly Reports on Form 10-Q for the quarters ended March 31, 2001,
and December 31, 2000, Phone.com's and Software.com's most recently filed Annual
Reports on Form 10-K, and Phone.com's registration statement on Form S-4 as
filed with the SEC on October 10, 2000. All documents also are available through
the SEC's Electronic Data Gathering Analysis and Retrieval system (EDGAR) at
www.sec.gov or from Openwave's Web site at www.openwave.com. The Company assumes
no obligation to update the forward-looking statements included in this
document.

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     Openwave and the Openwave logo are trademarks of Openwave Systems Inc.

For more information please contact:

Openwave Systems Inc.
Alexandrea Todd
Openwave Systems Inc.
650.480.4346
alexandrea.todd@openwave.com

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