RADVISION to Showcase Powerful SIP and H.323 Visual Communication Solutions at VoiceCon.

Business Editors/High-Tech Writers

VoiceCon 2004

ORLANDO, Fla. & GLEN ROCK, N.J.--(BUSINESS WIRE)--March 1, 2004

RADVISION (Nasdaq: RVSN) today announced that it is showcasing a broad array of visual communication solutions at the VoiceCon tradeshow (Orlando, Fla.

At this event, one of the premier IP telephony shows in the world, RADVISION will demonstrate a comprehensive suite of SIP and H.323-based products that enable integrated voice, video, and data collaboration over an IP network. RADVISION will also feature its powerful network management and scheduling tools, designed for the easy implementation and management of video on the LAN in a scalable way without compromising network performance, network security, or ease of use.

RADVISION's presence at the show will include a full working visual communications demonstration in its booth (#335), that highlights RADVISION's complete line of video, voice, and data collaboration network infrastructure solutions including Microsoft Windows Messenger for desktop conferencing.

RADVISION's powerful SIP/H.323 architecture will also be featured in VoiceCon's SIP demonstration area. As part of RADVISION's SIP visual communications demonstration, the Company will showcase its support for Microsoft's SIP-based Office Live Communications Server 2003 and Windows Messenger end points.

"IT managers are now looking to add video applications and services as part of their IP-based communications strategies. VoiceCon, known as a leading venue for enterprise voice over IP solutions, is an ideal place for RADVISION to demonstrate its video solutions," said Rob Hughes, General Manager of RADVISION NBU, Americas. "By showcasing RADVISION's powerful visual communications solutions in a voice over IP exhibition, we are demonstrating not only our commitment to deliver multimedia communications architecture to the desktop but also how our solutions allow for the seamless implementation of video onto the LAN without jeopardizing network quality or management."

About RADVISION Conferencing Solutions

RADVISION offers one of the broadest and most complete sets of video, voice, and data conferencing network solutions for IP and ISDN-based networks, supporting the majority of end points in the market today. The RADVISION solution features powerful multipoint conferencing units (MCUs), scalable H.323, SIP, 3G and ISDN gateways and gatekeepers, and easy-to-use management and scheduling tools for the IT manager and end user. RADVISION also provides businesses and service providers with integrated solutions that deliver converged IP-based video telephony and multimedia streaming applications to employee computer desktops, residential broadband homes, and 3G subscribers worldwide.

About RADVISION

RADVISION LTD. (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.

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