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Windows IT Pro and SQL Server Magazine Names RADVISION's Click to MeetTM for Microsoft Office Live Communications Server as a best of Microsoft Tech-Ed 2005 Europe Winner

FAIR LAWN, New Jersey, August 1, 2005 - Penton Media Inc.’s Windows IT Pro and SQL Server Magazine announced the winners of the Best of Microsoft Tech•Ed 2005 Europe awards in Amsterdam, The Netherlands.

RADVISION’s Click to MeetTM for Microsoft Office Live Communications was chosen as winner of the Productivity and Collaboration category. Click to MeetTM, combined with Microsoft’s Real-Time Collaboration Platform, allows users to initiate a full multiparty audio and video conference with complete conference control directly from within the Communicator client.  It also provides each participant the flexibility to join using his/her preferred device – Communicator, a phone, a video conferencing system or even a mobile 3G videophone.

SQL Server Magazine’s Associate Publisher Michelle Crockett and Windows IT Pro Editorial and Strategy Director, Karen Forster, presented the awards to Windows and SQL technology vendors in 10 categories.

European judge Mark Anderson, Chairman of VBug UK, explained the reasons behind selecting Click to MeetTM for Microsoft Office Live Communications server as the winner as “the ease of connection to multiple different protocols as well as the ease of actual connection.” He went on to comment that, “The judges were particularly impressed with the connection into 3G mobile phones.”

“RADVISION is delighted to be chosen as winner in the Productivity and Collaboration category for the Best of Microsoft Tech-Ed 2005 Europe awards” said Killko Caballero, Senior Vice President of Enterprise Strategy. “The employee desktop is becoming a leading choice for multimedia communications and RADVISION is proud to be playing an active role in bringing multimedia, multiparty conferencing and multi-device functionality to Microsoft Office Live Communications server.”

About RADVISION

RADVISION (Nasdaq: RVSN) is the industry’s leading provider of high quality, scalable and easy-to-use products and technologies for videoconferencing, video telephony, and the development of converged voice, video and data over IP and 3G networks.  For more information please visit our website at 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, 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

About the Windows IT Pro Group

The Windows IT Pro Group, the largest independent Windows IT community in the world, includes content from flagship print publication Windows IT Pro, three monthly paid subscription print newsletters, 12 direct-request email newsletters and a web site resource for more than two million IT professionals each month. First published in 1995, Windows IT Pro is the editorial leader in its field and has a paid subscription base of 105,000. The magazine is published in 13 languages and has an international reach in 160 countries.

The franchise also includes SQL Server Magazine, with 30,000 paid subscribers, more than 210,000 web site visitors monthly and two email newsletters sent to more than 130,000 opt-in subscribers. The American Society of Business Publication Editors (ASBPE) named SQL Server Magazine “Magazine of the Year” in the less-than-80,000 circulation category in 2002. The two publications generate nine million page impressions monthly, host 2.5 million unique visitors to their web sites monthly, and have more than one million readers with opt-in subscriptions to their email newsletters.  The Windows IT Pro Group is the world’s leading producer of custom Roadshows, paid conferences and paid workshops for Windows and SQL Server IT professionals.
For more information visit www.windowsitpro.com/pressroom/ , and www.penton.com.

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