Avistar Communications Corporation (www.avistar.com), a leader in unified visual communications solutions, today announced additions to its family of Avistar C3™ software solutions. The Avistar C3 Unified™ - Microsoft OCS Edition and Avistar C3 Integrator™ - Citrix Edition solutions, engineered to deliver scalable, interoperable and business-class desktop videoconferencing to the Microsoft OCS and Citrix platforms.

The Avistar C3 Unified™ - Microsoft OCS Edition delivers commercial-grade desktop videoconferencing while addressing critical video features not found within the Microsoft OCS solution. The Avistar C3 Unified™ - Microsoft OCS Edition solution is built on industry standards providing direct interoperability between the desktop video experience and both SIP- and H.323- enabled room solutions. The Avistar solution also delivers rich desktop videoconferencing features such as continuous presence multiparty videoconferencing, HD (720p) video resolution and advanced call controls, all while leveraging Microsoft OCS presence and desktop integration features. Lastly, the Avistar solution delivers full bandwidth management and call admission control providing administrators control of their videoconferencing environment while ensuring solution scalability and quality of experience (QoE) to the end user.

The Avistar C3 Integrator™ - Citrix Edition is designed specifically to run on the Citrix ICA protocol. This allows Avistar clients to benefit from the operational and environmental savings provided by Citrix solutions, while experiencing a feature-rich, scalable and manageable desktop videoconferencing experience on the Citrix platform. The Avistar C3 Integrator™ - Citrix Edition solution can be experienced through both the Citrix XenDesktop and XenApp solutions, in addition to the Wyse family of thin terminals. The Avistar C3 Integrator™ - Citrix Edition solution is the industry’s only desktop videoconferencing solution designed from the ground up to address the challenges presented when delivering communication solutions within VDI environment such as Citrix, while at the same time leveraging and extending their cost savings and benefits.

According to Chris Lauwers, Ph.D., chief technology officer at Avistar, “The Avistar C3 Unified™ - Microsoft OCS Edition solution picks up where Microsoft OCS leaves off. Our solution extends Microsoft OCS and delivers a desktop visual communications experience that is vibrant, feature-rich and interoperable. The Avistar C3 Unified™ – Microsoft OCS Edition solution is designed to marry the unified communication features found within Microsoft OCS, while delivering a business-class desktop videoconferencing experience built to leverage our clients’ videoconferencing infrastructure and networks. This helps to lower overall operating costs and increase productivity, while extending the value of OCS implementations.

“The Avistar C3 Unified™- Citrix Edition is designed to operate and leverage the Citrix ICA protocol. Delivering scalable and manageable desktop visual communications within VDI environments has long been an industry challenge. Avistar overcomes these challenges by separating media and application processing. This enables our customers to benefit from the outstanding operational benefits delivered by Citrix, while experiencing the productivity and costs saving delivered by the Avistar C3™ family of solutions. When combined, the Avistar C3 Unified™ – Microsoft OCS Edition and Avistar C3 Integrator™ – Citrix Edition solutions deliver a desktop visual communications experience with a level of quality unmatched in our industry, while delivering unprecedented value to our clients,” Dr. Lauwers concluded.

Avistar will demonstrate these products at VoiceCon San Francisco 2009, booth #620, Moscone North Convention Center, during show hours, Tuesday, Nov. 3 and Wednesday, Nov. 4, 2009.

To see these Avistar C3™ solutions via the web, visit our product video or please click the Avistar C3 Unified™ - Microsoft OCS Edition and Avistar C3 Integrator™ - Citrix Edition web page links.

About Avistar Communications Corporation

Avistar (AVSR.PK) is an innovation leader in the unified visual communications industry, providing proven business-class desktop videoconferencing technology. Avistar's installations include more than 100,000 committed desktop seats worldwide, bringing together business users anytime and anyplace. Companies such as IBM, LifeSize, Logitech, Polycom and Sony use Avistar technology to power their unified communications solutions. Avistar also works with leading channel partners and resellers including AVI-SPL, CityIS, ESCO, Fontel, and Jenne in more than 40 countries. For more information, please visit www.avistar.com.

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