RADVISION to Demonstrate Interconnectivity from the Desktop and Mobile Applications to the Fully Immersive Telepresence Suite at InfoComm 2011

• RADVISION SCOPIA Elite connects people around the globe using industry-leading, standards-based video endpoints and UC platforms
• RADVISION HD video and collaboration experts to participate in telepresence and social media sessions at InfoComm 2011

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Who	RADVISION^® Ltd. (Nasdaq: RVSN), a leading technology and end-to-end solution provider for unified visual communications, offers end-to-end video conferencing and unified communications (UC) solutions - from mobile devices to desktops, conference rooms and fully immersive telepresence suites. RADVISION’s broad portfolio of standards-based video systems enables interconnectivity across new and traditional video endpoints regardless of UC platform or device.
What	RADVISION will be demonstrating its new SCOPIA^® Telepresence Platform along with the SCOPIA Control application for the Apple iPad. The RADVISION booth (no. 1883) will also feature RADVISION solutions including SCOPIA Desktop, SCOPIA Video Gateway for Microsoft Lync, and SCOPIA Mobile - currently the only iPhone and iPad application to share enterprise-grade audio, video and standards-based data.   RADVISION Vice President of Enterprise Marketing Bob Romano will also be participating in three IMCCA expert panels covering collaboration, HD telepresence and social networking.
When	InfoComm takes place June 15 – 17, 2011. Bob Romano will participate in the following sessions: IMCCA State of the Industry Lunch & Learn, Wednesday, June 15, 12:30 – 2 p.m. Telepresence & HD Realities Panel, Wednesday, June 15, 2:30 – 4:30 p.m. Telepresence Expert Forum, Thursday, June 16, 10:15 – 11:15 a.m. A full overview of the IMCCA activities is available online here. Additionally, Robin Raulf-Sager, RADVISION director of Communications for the Americas will be moderating the Social Media & Social Networking in the Collaboration Industry on Thursday, June 16. The panel takes place from 10:30 a.m. – 12:30 p.m.
Where	InfoComm 2011, Orange County Convention Center, Orlando, Booth no. 1883

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 – 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.

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.

RADVISION and SCOPIA are registered trademarks of RADVISION, Ltd. All product and company names herein may be trademarks of their registered owners. All rights reserved © 2011 RADVISION, Ltd.