InterDigital Inc (IDCC)

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Number of KDDI 3G Mobile Phone (CDMA2000 1x) Users Tops Five Million



RELATED SYMBOLS: (KDDIF)

Tokyo, Japan, Jan 30, 2003 (JCN Newswire via COMTEX) -- KDDI Corp. and Okinawa
Cellular announof users ced recently that the total cumulative number of users
for the third-generation mobile phones (CDMA2000 1x) being offered by the two
companies has surpassed five million. Sales of CDMA2000 1x au mobile phones
began on April 1, 2002. The number of units sold reached one million on June 23,
two million on August 23, three million on October 19, four million on December
5 and 5 million on January 16. The five million mark was surpassed less than ten
months after the original release.

CDMA2000 1x achieves comfortable mobile Internet environments through high-speed
data communications at speeds of up to 144kbps. This technology enables
applications of the Internet connection service EZweb and various other provider
connections with a maximum downstream speed of 144kbps and a maximum upstream
speed of 64kbps. Services are already offered in all 47 of Japan's prefectures
and administrative divisions, and are accessible to 90% of the country's
population. Even outside of the current service areas, a full 100% of the
population (with the exception of some island regions) has been able to access
all communication services since the early stages, using cdmaOne, which offers
data communications at speeds of up to 64kbps.

KDDI and Okinawa Cellular have released a total of 14 CDMA2000 1x mobile phone
models, including the Movie Keitai (A5303H, A5302CA, and A5301T), which feature
a digital camera for recording, viewing, and sending video images, and the GPS
Keitai (A3012CA and A3015SA), which features a camera that is compatible with
highly accurate positioning information services based on GPS (Global
Positioning System) satellite signals, in addition to the simple and easy-to-use
A1000 Series. Services such as Movie Mail, Photo Mail, and Chaku-Uta ringer
tones have received an increasingly positive response from users, contributing
to the recognition of CDMA2000 1x models as being the most convenient 3G mobile
phones in Japan.

About KDDI Corporation

KDDI Corporation was established in 1984 and is currently the second largest
telecommunications company in Japan, providing a comprehensive range of voice,
data, IP and mobile services to both business customers and consumers. After
merging with KDD and IDO in October, 2000, KDDI serves over 15 million
long-distance subscribers, 1.4 million internet subscribers, 13 million mobile
subscribers, and 5 million PHS subscribers. KDDI has 34,000 km of highly
reliable domestic network infrastructure, in addition to optical submarine cable
systems such as TPC-5, Japan-US CN and China-US CN. KDDI also works to develop
advanced technology in the areas of radio & mobile, lightwave, multimedia, and
Internet communications. The KDDI Group consists of approx 100 companies
covering a wide variety of telecommunications-related businesses such as
engineering, facility hosting, submarine cable construction, and R&D.

Source: KDDI Corporation

Contact:


Neil Rosenblatt
Nippon Digital Communications
[e-mail]
[phone]


Copyright (C) 2003 JCN Newswire. All rights reserved. A division of Japan Corporate News Network KK.

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Daniel Nieves