SCOPIA Desktop Recognized for Outstanding Innovation

TEL AVIV (February 17, 2009) –

RADVISION® Ltd. (Nasdaq: RVSN), a leading provider of video network infrastructure and developer tools for unified visual communications over IP, 3G, and emerging next-generation IMS networks, announced today that Technology Marketing Corporation’s (TMC®) INTERNET TELEPHONY magazine (www.itmag.com) has named SCOPIA Desktop as a recipient of its 2008 Product of the Year Award.

RADVISION’s SCOPIA Desktop is a software client/server application that provides High Definition scalable desktop video conferencing and full interoperability with video conferencing room system deployments. SCOPIA Desktop utilizes a simple web browser plug-in to deliver high performance desktop video conferencing with a standard PC, web cam and Internet connection. It includes the latest in video technology providing High Definition H.264 for both meeting participants and data collaboration. Full audio, video and data collaboration interoperability with video conferencing room systems along with integrated firewall traversal make it a highly cost effective solution to easily extend and add value to existing video conferencing deployments.

“We are proud to be a recipient of the 2008 Product of the Year Award,” said Zeev Bikowsky, General Manager, Networking Business Unit for RADVISION. “We invite you to experience first-hand, the unique conferencing capabilities of SCOPIA Desktop at www.radvision.com/tryscopia.”

“INTERNET TELEPHONY is pleased to grant a 2008 Product of the Year Award to RADVISION for their SCOPIA Desktop. RADVISION has proven they are committed to quality and excellence while addressing real needs in the marketplace,” said Rich Tehrani, TMC President and Editor-in-Chief of INTERNET TELEPHONY magazine. “We’re proud to honor their accomplishments in the advancement of IP communications and look forward to more innovative solutions from them in the future.”

A full list of Product of the Year winners will be published in the February, 2009 issue of INTERNET TELEPHONY magazine, (www.itmag.com). INTERNET TELEPHONY has been the authority in IP communication since 1998(TM).

For more information, please visit www.tmcnet.com.

About RADVISION

RADVISION (Nasdaq: RVSN) is the industry’s leading provider of market-proven products and technologies for unified visual communications over IP, 3G and IMS networks. With its complete set of standards-based video networking infrastructure and developer toolkits for voice, video, data and wireless communications, RADVISION is driving the unified communications evolution by combining the power of video, voice, data and wireless – for high definition video conferencing systems, innovative converged mobile services, and highly scalable video-enabled desktop platforms on IP, 3G and emerging next-generation IMS networks. To gain additional insights into our products, technology and opinions, visit blog.radvision.com. For more information about RADVISION, visit www.radvision.com.

About INTERNET TELEPHONY magazine

INTERNET TELEPHONY has been the IP Communications Authority since 1998(TM). Beginning with the first issue in February of 1998, INTERNET TELEPHONY magazine has been providing unbiased views of the complicated converged communications space. INTERNET TELEPHONY offers rich content from solutions-focused editorial content to reviews on products and services from TMC Labs. INTERNET TELEPHONY magazine reaches more than 225,000 readers, including pass-along readers. For more information, please visit www.itmag.com.

About TMC

Technology Marketing Corporation (TMC) is an integrated global media company helping our clients build communities in print, in person and online. TMC publishes Customer Interaction Solutions, INTERNET TELEPHONY, Unified Communications, and NGN Magazine. TMC is also the first publisher to test new products in its own on-site laboratories, TMC Labs. TMCnet, TMC’s Web site, is the leading source of news and articles for the communications and technology industries. TMCnet is read by three million unique visitors each month worldwide, according to Webtrends. In addition, TMC produces INTERNET TELEPHONY Conference & EXPO and Communications Developer Conference.

For more information about TMC, visit www.tmcnet.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.

Source: RADVISION