RADVISION’s SCOPIA Elite MCU with Telepresence Interoperability Noted as “an Exceptional Technical Achievement”

TEL AVIV, Israel (February 01, 2011) – RADVISION® Ltd. (Nasdaq: RVSN), a leading technology and end-to-end solution provider for unified visual communications including video network infrastructure, developer tools and high definition (HD) room, desktop and mobile video conferencing systems, today announced that is has been chosen as “The Video-enabled Unified Communications Company of the Year 2010” by Telepresence and Videoconferencing Insight Newsletter.

“The Newsletter is looking for innovation, products that disrupt the market, affordable prices and success in the market place,” said Richard Line, Editor of Telepresence and Videoconferencing Insight. “RADVISION is a unique Unified Communications company with a clear long-term vision, a breadth of Unified Communications products and a great depth of engineering skills. That is why RADVISION is chosen as The Video-enabled Unified Communications Company of the Year 2010.”

Telepresence and Videoconferencing Insight outlined several key factors that contributed to selecting RADVISION as The Video-enabled Unified Communications Company of the Year 2010:

• SCOPIA Elite MCU with Telepresence Interoperability
• SCOPIA XT1000 HD Videoconferencing Room System
• SCOPIA Mobile V2
• SCOPIA Video Gateway for Microsoft
• IBM
• RADVISION’s Eye-To-Eye Partner Program

“2010 was a strong year of innovation for RADVISION and we are proud of the recognition we received from Telepresence and Videoconferencing Insight with this award,” said Roberto Giamagli, General Manager, Video Business Unit for RADVISION. “This award is not just about products, but about the company; and customers choosing RADVISION can have the confidence that they are backed by its vision, its strategy and the skills of its people.”

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 communications solutions 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

About Telepresence and Videoconferencing Insight Newsletter

Telepresence and Videoconferencing Insight is a well established newsletter for the user of Telepresence, videoconferencing and video-enabled Unified Communication systems. It is published online on Wednesday of each week at www.tpandvcinsight.com. It is read by thousands of readers worldwide. Publication began in1996.

The Newsletter content comprises: User application case studies of Telepresence and HD Videoconferencing, CEO interviews, Industry News, New Equipment Reviews, Annual Awards, Annual Surveys, Reducing GHG/Co2 emissions, News from the Channel and Systems Integrators, News from Managed Conferencing Service Providers, News about video on smart phones and tablets, etc. It is accessible on the Internet free of charge thanks to generous support from sponsoring companies listed on the website.

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, our ability to integrate the Aethra video assets into our product offerings, 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.

Contact
RADVISION Ltd.
Adi Sfadia, 201-689-6340
Chief Financial Officer
cfo@radvision.com
or
Robert Romano, 512-328-4617
VP Enterprise Marketing
pr@radvision.com
or
Investor Relations:
Comm-Partners LLC
June Filingeri, 203-972-0186
junefil@optonline.net

Source: RADVISION