VNWK Visual Networks (MM)

ROCKVILLE, Md., Oct. 12 /PRNewswire-FirstCall/ -- Visual Networks, Inc. (NASDAQ:VNWK), a leading provider of network and application performance management solutions, today announced that Wayne Fuller, its executive vice president of product operations, will be speaking at ISPCON Fall 2005 in Santa Clara, California. Fuller's presentation, "Look Before You Leap: Assessing Network Readiness for VoIP," will be given at 9:00 a.m. on Tuesday, October 18. For service providers that have operated traditional data networks, this session will help them understand the preparations they must undertake to prepare for VoIP rollouts and the steps they can take to differentiate their VoIP offerings. ISPCON, the leading event for businesses delivering Internet- based services, applications, connectivity and web hosting, is being held October 18-20 at the Santa Clara Convention Center. "As service providers deploy VoIP-focused offerings, it is important to understand technical fundamentals such as what protocols to monitor and the factors that affect VoIP performance as well as key business drivers such as how they can make their services both profitable and appealing to enterprises," said Mr. Fuller. "While there are a lot of similarities between voice applications and data applications, it is important to take into account that there are also a number of significant differences that must be considered to effectively deploy VoIP services. Visual Networks is uniquely positioned to address this subject due to our extensive experience working with the industry's leading service providers to develop and deliver robust application and network performance management services." About Visual Networks Visual Networks, Inc. (NASDAQ:VNWK) is a leading provider of network and application performance management solutions. The company's technologies enable enterprises to reliably and securely manage the delivery and performance of key applications such as Voice over IP (VoIP) across their infrastructures. Visual Networks' products increase application and network availability, optimize the use of bandwidth across the network, and reduce operating costs across traditional and IP-based infrastructures. For more information, visit http://www.visualnetworks.com/. Forward Looking Statement Certain statements in this press release may constitute "forward-looking statements" with respect to Visual Networks, Inc. and its subsidiaries (collectively, the "Company"). Forward-looking statements are based on management's views and assumptions regarding business performance and future events as of the time the statements are made. These statements involve risks and uncertainties, including the risks detailed in Visual Networks' filings with the U.S. Securities and Exchange Commission, which may cause actual results of the Company to differ materially from the statements. By making these forward-looking statements, the Company undertakes no obligation to update these statements for revision or changes after the date of this release. DATASOURCE: Visual Networks, Inc. CONTACT: David Peikin of Visual Networks, Inc., +1-301-296-2262, Web site: http://www.visualnetworks.com/

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