Datang Mobile (China) to Develop The TLM3000 IMS System, a Full IMS/NGN Core Network Solution, Using RADVISION's IMS Express - a Comprehensive IMS Developer Suite Including IMS SIP, Diameter, Megaco and Advanced RTP

TEL AVIV, Israel--(BUSINESS WIRE)--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 its IMS Express Developer Solution has been selected by Datang Mobile Communications Equipment, a leading Chinese telecom equipment vendor, to develop the TLM3000 IMS system, a full IMS/NGN core network solution.

"Datang Mobile was looking for a full IMS developer solution that would significantly reduce Time-to-Market and reduce overall development investment," said Zhao Xin, General Manager of Datang system department. "We have chosen RADVISION's IMS Express as it provides an unparalleled comprehensive solution from a standard support perspective featuring a complete portfolio of IMS SIP, MEGACO, DIAMETER and RTP, with the best interoperability available."

"Customers choosing RADVISION's developer solution leverage our 17 years of VoIP signaling experience with continuing leadership and support of leading edge telecom technologies such as IMS," said Avishai Sharlin, General Manager of RADVISION's Technology Business Unit. "Our IMS 3GPP release 8 compliant developer solutions are used by hundreds of VoIP vendors spanning mobile, fixed and cable products. As a returning customer, Datang proves yet again the value our developer solutions bring to our customers."

The RADVISION IMS Express is the most comprehensive development solution for next-generation IMS network elements and includes the IMS SIP, DIAMETER, MEGACO, RTP and ICE & STUN NAT Traversal Toolkits, and the ProLab^TM IMS Testing & Analysis solution. The RADVISION IMS Express is compliant with the latest IMS 3GPP, TISPAN, and Packet Cable 2.0 specifications, and provides high performance, feature-rich functionality with high flexibility, customizability and extensibility.

About Datang Mobile

Datang Mobile Communications Equipment Co., Ltd (Datang Mobile), registered and established in Beijing on February 8, 2002, is one of the core members of Datang Telecom Technology and Industry Group. The company headquarters are in Beijing, with one subsidiary in Shanghai and one branch in Xi'an. Taking its excellent innovation and long-term accumulation, Datang Mobile is dedicated to the research and development of TD-SCDMA, a home grown international 3G standard. With the operation principle of ‘joint development, virtual manufacture and entrusted operation', and on the basis of its self-own core intellectual property right and the whole series of products including infrastructure and terminal, Datang Mobile is committed to providing the total solution for the customers in the area of public and private communication networks. For more information about Datang Mobile's solutions, please visit http://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.datangmobile.cn&esheet=5914673&lan=en_US&anchor=www.datangmobile.cn&index=1.

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. To gain additional insights into our products, technology and opinions, visit blog.radvision.com. For more information about RADVISION, visit http://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.radvision.com&esheet=5914673&lan=en_US&anchor=www.radvision.com&index=3.

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.

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