RADVISION SIP Server Platform Recognized for Outstanding Innovation

TEL AVIV (January 31, 2008) –

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, today announced that Technology Marketing Corporation’s (TMC®) INTERNET TELEPHONY magazine (www.itmag.com) has named RADVISION SIP Server Platform as a recipient of its 2007 Product of the Year Award.

RADVISION SIP Server Platform is a unique software framework for the rapid development of high performance, robust and interoperable SIP applications and services for Next Generation Networks.

“The Internet Telephony distinguished award provides an additional proof that the SIP Server Platform answers the market demand for rapid and flexible development of services” said Avishai Sharlin, General Manager of RADVISION’s Technology Business Unit. “Using RADVISION’s SIP Server Platform Application and Service Creation Framework developers can develop complex SIP applications in fraction of the time, and maintain their competitive edge by adding new services easily as customer demands grow” .

“RADVISION has proven they are committed to quality and excellence while addressing real needs in the marketplace. INTERNET TELEPHONY is pleased to grant a 2007 Product of the Year Award to their SIP Server Platform,” said Rich Tehrani, TMC President and Editor-in-Chief of INTERNET TELEPHONY magazine. We’re proud to honor their hard work and accomplishments and look forward to more innovative solutions from RADVISION in the future.”

RADVISION SIP Server Platform is part of a comprehensive server solution for the development and testing of SIP Network Equipment and SIP Application Servers. RADVISION also offers custom turn key server solutions.

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. For more information about RADVISION, visit http://www.radvision.com.

About INTERNET TELEPHONY magazine

INTERNET TELEPHONY has been the VoIP Authority since 1998(TM). Since 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 has a circulation of 225,000 including pass-along readers. For more information, please visit www.itmag.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.

TMC Contact:
Jan Pierret
203-852-6800, ext. 228
jpierret@tmcnet.com

Source: RADVISION