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NTT DoCoMo Chooses RADVISION's Advanced Gateway for Industry's First



GLEN ROCK, N.J., Feb 17, 2003 (BUSINESS WIRE) -- RADVISION (Nasdaq: RVSN) today announced that NTT DoCoMo, the world's largest 3G and mobile service provider, has selected the RADVISION viaIP gw-P20/M gateway as a component for its End-to-End Real-time Video Communications Platform for 3G, a trial service that enables real-time video telephony between users' 3G (FOMA) video phones and IP based H.323 video phones.

NTT-ME, a subsidiary of NTT East is an authorized distributor and partner for RADVISION solutions in Japan and worked closely with RADVISION to integrate the viaIP gw-P20/M gateway into the NTT-DoCoMo network. In a related press release, RADVISION also announced the general worldwide availability of its viaIP gw-P20/M gateway.

"The RADVISION gateway has superior quality, carrier-class reliability and multiprotocol functionality that enables our 3G customers' handsets to provide real time video communication with IP based video clients," said Mitsuru Kodama, Ph.D, Senior Manager, Mobile Multimedia Planning Department, Mobile Multimedia Division, NTT DoCoMo Inc. "DoCoMo has been a world leader in rolling out 3G wireless services and, with the introduction of 3G to IP real time multimedia gateway, we are further pioneering the power of broadband wireless."

"DoCoMo has been a pioneer in 3G wireless since the standard's initial inception and rollout and, by delivering gateway functionality for real time multimedia between its users over its 3G network and users of IP based video clients, it will further solidify this leadership position," said Gadi Tamari, president and CEO of RADVISION. "3G holds a huge potential for mobile communications and we are proud of the role RADVISION is playing in enabling the delivery of next generation, high margin advanced services to 3G subscribers."

NTT-BB, a subsidiary of NTT, will start trial service using DoCoMo's Realtime Video Communication Platform to deliver a 3G to H.323 service over DoCoMo's FOMA (Freedom Of Mobile multimedia Access) network.

The RADVISION viaIP gw-P20/M gateway is designed for service providers looking to capitalize on their 3G networks by offering value added, high margin multimedia services and real time bi-directional streaming of videoconferencing sessions between 3G-enabled cell phones and PDAs and multiple IP and ISDN-based videoconferencing systems. The gateway uses the 3G-324M standard for real time multimedia communications over WCDMA and CDMA2000 3G networks. The gateway also enables mobile videophones to utilize additional resources on the IP network such as multipoint conferencing bridges to host three or more parties in a single session, voice and video gatekeepers, and terminals.

3G stands for the third generation of wireless communication technology. It refers to improvements in wireless data and voice communications through a variety of proposed standards. Expectations for 3G include high-speed wireless access to the Internet, entertainment, information, e-commerce, interactive application sharing, real-time media streaming, and videoconferencing. 3G-324M is powerful protocol that enables 3G service providers to leverage circuit-switched channels to deliver low-latency, high-bandwidth throughput -- necessary to support delay-sensitive applications such as wireless video conferencing, video streaming, and multimedia gaming.

Additionally, as part of RADVISION's complete viaIP videoconferencing solution, the viaIP gw-P20/M gateway is also ideal for enterprises who are looking for a solution that supports both their existing IP or ISDN-based videoconferencing needs and also want to begin supporting employees who are using 3G-based wireless videoconferencing.

About RADVISION

RADVISION (Nasdaq: RVSN) is the industry's leading provider of high quality, scalable and easy-to-use products and technologies for videoconferencing, video telephony, and the development of converged voice, video and data over IP and 3G networks. For more information please visit our website at www.radvision.com .

This press release contains forward-looking statements that are subject to risks and uncertainties. Factors that could cause actual results to differ materially from these forward-looking statements include, but are not limited to, general business conditions in the industry, changes in demand for products, the timing and amount or cancellation of orders and other risks detailed from time to time in RADVISION's filings with the Securities Exchange Commission, including RADVISION's Form 10-K Annual Report. These documents contain and identify other important factors that could cause actual results to differ materially from those contained in our projections or forward-looking statements. Stockholders and other readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. We undertake no obligation to update publicly or revise any forward-looking statement.
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