RADVISION® (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 Boaz Raviv, CEO, and Tsipi Kagan, CFO, will speak at the RBC North American Technology Con

TEL AVIV (August 06, 2007) –

RADVISION® (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 Boaz Raviv, CEO, and Tsipi Kagan, CFO, will speak at the RBC North American Technology Conference in San Francisco on Thursday, August 9th from 9:00 to 9:25 a.m. (Pacific).

The live webcast of the presentation can be accessed on the RADVISION web site at www.radvision.com/InvestorEvents/RBC or by clicking on http://www.wsw.com/webcast/rbc75/rvsn. An audio replay of the event will be available on the RADVISION web site approximately two hours after the live event and accessible for thirty days.

About RADVISION
RADVISION (Nasdaq: RVSN) is the industry’s leading provider of market-proven products and technologies for unified visual communications over IP and 3G 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. For more information about RADVISION, visit www.radvision.com.

Source: RADVISION