Through mobile Internet services, wireless operators will be able to offer subscribers access to Internet and corporate intranet-based services including e-mail and voice mail, and to information such as news, stocks, weather, travel and sports through their WAP-enabled mobile devices. Consumer and business users will therefore have virtually anytime, anywhere access to up-to-the-minute information. Unisys is an experienced provider of carrier-based solutions and the pairing with Phone.coms WAP technology will ensure the company maintains a strong position in the telecom services market. Unisys can now offer field-tested, turnkey carrier solutions, from the network services platform to the GSM terminal, enabling operators to provide a range of online interactive services via Internet-enabled GSM.

"This alliance demonstrates Unisys commitment to market leadership in providing carrier solutions with the latest and best technology" said Malcolm Bird, Managing Director, Phone.com Europe. "Unisys is now well placed to help operators meet the demands and opportunities of the new Internet economy, and Phone.com will continue to develop leading WAP technology for our customers and partners."

Unisys is developing a new set of WAP-based user interfaces to enhance its Unisys e-@ction Value Added Services portfolio, which already includes voicemail and universal messaging solutions. The new visual interface for mobile devices will enable significantly enhanced provisioning, management and control of services for the end-user via a consistent and easy-to-use menu. It will also provide network operators with a powerful tool to deliver simple, secure access to timely and relevant Internet and intranet information services.

"Combining Unisys value added services with the UP.Link Server Suite provides state-of-the-art telco-grade technology, offering customers an end-to-end wireless solution," said Darrell Jennings, who heads Unisys Worldwide Communications. "Phone.com has a clearly defined strategy for the future product enhancements and underlying wireless technologies that is in line with Unisys plans as well as evolving WAP standards."

Wireless service providers worldwide are investing heavily in WAP infrastructure to take advantage of the new technologys capabilities. Operators expect wireless Internet Services to reduce costs and increase revenues. Innovative services can be deployed to differentiate offerings and establish brand loyalty. Such services include self-service on-screen Customer Care for reduced call center load and Call Feature Control for increased use of intelligent network features.

About Unisys
Unisys is an electronic business solutions company whose 36,000 employees help customers in 100 countries apply information technology to seize opportunities and overcome challenges of the Internet economy. Unisys people integrate and deliver the solutions, services, platforms and network infrastructure required by business and government to transform their organizations for success in this new era. The company offers a rich portfolio of Unisys e-@ction Solutions for electronic business based on its expertise in vertical industry solutions, network services, outsourcing, systems integration and multivendor support, coupled with enterprise-class server and related technologies. The primary vertical markets Unisys serves worldwide include financial services, transportation, communications, publishing and commercial sectors, as well as the public sector, including federal government customers. Unisys is headquartered in Blue Bell, Pennsylvania, in the Greater Philadelphia area. For more information on the company, access the Unisys home page on the World Wide Web at www.unisys.com. Investor information can be found at www.unisys.com/investor.

About Phone.com
Phone.com, Inc. (Nasdaq:PHCM) is a leading provider of software and services that enable the delivery of Internet-based information services to mass-market wireless telephones. Using its software, wireless subscribers have access to Internet- and corporate intranet-based services, including Email, news, stocks, weather, travel and sports. In addition, subscribers have access via their wireless telephones to network operators intranet-based telephony services, which may include over-the-air activation, call management, billing history information, pricing plan subscription and voice message management. Phone.com is headquartered in Silicon Valley, California and has regional offices in Belfast, Copenhagen, Hong Kong, London, Seoul and Tokyo. Visit http://www.phone.com for more information.

Except for the historical information contained herein, the matters discussed in this news release are forward-looking statements involving risks and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. Potential risks and uncertainties include, but are not limited to, Phone.coms limited operating history, potential fluctuations in Phone.coms operating results, uncertainties related to Phone.coms long sales cycle and reliance on a small number of customers, Phone.coms dependence on the acceptance of its products by network operators and wireless subscribers, Phone.coms ability to adequately address the rapidly-evolving market for delivery of Internet-based services through wireless telephones, the need to achieve widespread integration of Phone.coms browser in wireless telephones, competition from companies with substantially greater financial, technical, marketing and distribution resources and the ability of Phone.com to manage a complex set of engineering, marketing and distribution relationships. Further information regarding these and other risks are included in Phone.coms quarterly reports on Form 10-Q for the quarters ended September 30, 1999 and December 31, 1999, in its prospectus dated November 16, 1999 and in its other filings with the Securities and Exchange Commission.

# # #

Phone.com, the Phone.com name and logo, MyPhone and the family of terms carrying the "UP." prefix are trademarks of Phone.com, Inc. All Rights Reserved. All other company, brand and product names may be marks that are the sole property of their respective owners.

For further information:

Contact Phone.com Worldwide Public Relations
http://www.phone.com/news/mediacontacts.html

Unisys
Lucia Romano
+1 215-986-4698
[email protected]