Press Release


    Largest Latin American Network Operator to Provide Wireless Internet
                      Services to Mexican Subscribers

   REDWOOD CITY, Calif. (March 28, 2000) ¾, Inc. (Nasdaq:
   PHCM), a leading provider of mobile Internet software, applications,
   and services, today announced that Telcel (Radiomovil Dipsa, S.A. de
   C.V.), the largest network operator in Mexico, has licensed the Wireless Application Protocol (WAP)-compatible
   UP.Link(TM) Server Suite 4.1. Under the terms of the agreement, Telcel
   will use's UP.Link Server to provide wireless Internet
   access to its subscriber base in Mexico, reported of 5.2 million users
   at December 1999.

   Telcel will use the UP.Link server and Internet-ready mobile phones to
   provide wireless Internet services to subscribers throughout Mexico.
   Utilizing their nationwide CDPD packet enabled TDMA network, Telcel is
   expected to shortly begin commercial rollout -offering the
   Internet-ready Nokia model 7160(TM) and Ericsson model R280 mobile

   Telcel's subscribers are expected to have access to a broad range of
   wireless services, including email and enhanced services such as
   financial, news and entertainment services. In addition, Telcel plans
   to provide localized content on entertainment, finance, sports,
   lottery, and airline information, as well as a companion Web site for
   subscribers to manage their accounts. "The ability to access the
   Internet from a mobile phone is a truly compelling feature for our
   subscribers," said Daniel Hajj, Telcel director general. "'s
   UP.Link server allows us to deliver on our commitment to provide new
   innovative services to our customers."

   "The Internet is providing almost endless options for network
   operators such as Telcel as well as for their subscribers, said Tony
   Miranzadeh, vice president and general manager Latin America and Asia
   Pacific for "Our agreement with Telcel positions the most
   widely adopted wireless Internet solution firmly within Mexico's fast
   growing markets and sets the stage for further expansion
   into Latin America."

   About Telcel
   Telcel (Radiomovil Dipsa, S.A. de C.V.) is the leading cellular
   operator in Mexico, with 5.2 million users nationwide and 70 per cent
   share of the fast-growing Mexican market. Telcel is one of the world's
   first wireless operators to implement Prepaid services for its
   D-AMPS/AMPS network with Amigo Prepaid system(TM) in 1996, currently
   available with National Roaming. The largest coverage and
   implementation of the latest digital services are key factors for
   Telcel“s success. Recently, an investment over 1.500 million USD has
   been established to expand network capability and to develop data
   transmission applications such as wireless Internet access. Telcel is
   headquartered in Mexico City, with 9 regional offices throughout the
   country. Visit: for additional information.

   About, Inc. (Nasdaq:PHCM) is a leading provider of software,
   applications, and services that enable the delivery of Internet-based
   information and voice 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. is headquartered in Silicon
   Valley, California and has regional offices in Belfast, Copenhagen,
   London, Seoul, and Tokyo. Visit 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,'s limited operating history, potential
   fluctuations in's operating results, uncertainties related
   to's long sales cycle and reliance on a small number of
   customers,'s dependence on the acceptance of its products by
   network operators and wireless subscribers,'s ability to
   adequately address the rapidly-evolving market for delivery of
   Internet-based services through wireless telephones, the need to
   achieve widespread integration of's browser in wireless
   telephones, competition from companies with substantially greater
   financial, technical, marketing and distribution resources and the
   ability of to manage a complex set of engineering, marketing
   and distribution relationships. Further information regarding these
   and other risks are included in's Form 10-Q for quarter
   ended December 31, 1999, in its prospectus dated November 16, 1999 and
   in its other filings with the Securities and Exchange Commission.

                                   # # #

    The Nokia model 7160 is a trademark of Nokia Corporation.,
   the name and logo, MyPhone and the family of terms carrying
       the "UP." prefix are trademarks of, 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 Worldwide Public Relations

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