T3G Selects RADVISION 3G-324M Toolkit to Build Video-Enabled Mobile Handset; 3G-324M Toolkit's Advanced Capabilities and Small Footprint Cited as Key Factor in Licensing Agreement

Business Wire, Feb 13, 2006

FAIR LAWN, N.J. -- RADVISION (Nasdaq:RVSN), a leading provider of multimedia conferencing and communications platforms, today announced that T3G Technology is licensing RADVISION's 3G-324M toolkit to build reference designs for video-enabled mobile handsets. T3G is a leading developer of TD-SCDMA chipsets and reference designs in China.

T3G will leverage the strengths of RADVISION's 3G-324M Toolkit to develop an advanced mobile handset for networks using TD-SCDMA, the major access technology in China.

"T3G is a key strategic TD-SCDMA chipsets and technology partner for world leading mobile handset manufacturers and its decision to partner with RADVISION is further validation of the capabilities of our 3G-based technology," said Adi Paz, Director of Product Management and Marketing for RADVISION's Technology Business Unit. "The 3G-324M Toolkit has already been successfully deployed in W-CDMA networks around the world, and will now be used in the rapidly growing TD-SCDMA market.

"We were impressed with the breadth of capabilities in RADVISION's 3G-324M Toolkit and the company's reputation for quality," said Mike Mu, Director of Business Development at T3G. "We were especially pleased with the toolkit's small footprint, needed for portable designs to conserve space and power consumption, translating directly into lower costs and longer battery life for our customers' handsets." T3G is currently developing its new 3G mobile handset design and expects to demonstrate it to industry-leading handset manufacturers in the second quarter of 2006.

The RADVISION 3G-324M Toolkit is equipped with easy-to-use APIs, optimized CPU usage, patent-pending multiplexing technology, and innovative optional features that reduce time to market while increasing interoperability. The toolkit is also used in server-side equipment because of its feature-rich capabilities and high performance. RADVISION will be demonstrating its 3G-324M product portfolio at the 3GSM World Congress 2006, Barcelona, Spain, Hall 1- Stand C45.

About T3G

Incorporated in January 2003, T3G is a joint venture by Philips, Datang Mobile, Samsung, and Motorola. T3G plays a key role in the TD-SCDMA terminal business chain by enabling the design and implementation of the terminal technology, which comprises chipset, software protocol, and handset reference design for a single or dual-mode terminal. By enjoying significant synergies of industry leaders of highly complementary expertise and capabilities, T3G is well positioned in the TD-SCDMA terminal field and plans to continue to take the lead in enabling and accelerating the industrialization of TD-SCDMA. More Information about T3G, its products and services are available on the company website at www.t3gt.com.

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 20-F 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.