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net.com's SHOUT Facilitates VoIP Cost Savings and Productivity Gains for Large Enterprises Newest Release Solves Key Issues for Large Global Enterprises, Scares off VoIP Attacks With Rogue Packet Ejector MIAMI, Feb. 24 /PRNewswire-FirstCall/ -- net.com (NYSE:NWK), a global supplier of communications equipment, announced today that the newest version of its SHOUT platform enhances a large enterprise's ability to take advantage of the cost savings and productivity gains of voice-over-IP (VoIP) while maximizing the return on its substantial investment in telephony infrastructure. SHOUT helps the enterprise seamlessly migrate legacy telephony systems to a converged IP solution by interconnecting multi-vendor PBX and call center environments with next generation VoIP applications across IP data networks. SHOUT's multi-vendor, multi-protocol support, combined with its strong support of open standards such as SIP helps avoid vendor lock-in with proprietary solutions, further reducing implementation and capital costs. Enhancements to the platform in this release further equip SHOUT as an optimal voice migration appliance for large global enterprises: -- IP over Serial Aggregates multiple remote nodes on a router connected to SHOUT, offering point to point serial connection to the central router. The serial interface interoperates with the Cisco HDLC protocol. -- SIP Signaling over TCP Allows broader interoperability of SHOUT with third-party SIP vendors, providing additional flexibility and more choices of SIP elements -- NI-2 ISDN Support Supports the basic call control messages and information elements required for NI-2. Stephen Gleave, vice president of marketing for net.com, commented, "With SHOUT, immediate savings are achieved by capping investment in the installed PBX network, using the IP network as a transport mechanism for high-cost routes, and enabling the existing infrastructure to take advantage of standards-based VoIP-enabled applications. Migration reduces risks and costs associated with a full scale replacement of the enterprise voice infrastructure." Security issues in the VoIP network net.com's voice-focused security solutions include protecting the devices from attack, MD5 authentication, TLS support, and enabling enterprises to run VoIP over their existing data infrastructure without having to update or replace their security devices or policies. Headlining SHOUT's rich set of security features is the SHOUT Packet Manager (SPM), which inspects the validity of every packet at the Ethernet interface before it is passed to the operating system for processing. This "rogue packet ejector" helps keep networks running, unlike other solutions that may require a reboot of the router when rogue packets are sent to its interfaces. SHOUT also provides MD5 authentication on a call-by-call basis to prevent spoofing of users by challenging devices attempting to call the network and verifying responses against an internal table or an external database. In addition, SHOUT's BSP/VTP protocols enable voice conversations to seamlessly traverse existing NATs and firewalls, and because these protocols encode voice and signaling information into proprietary tunnels, voice packets are effectively secured from those intent on listening in on conversations. For secure voice calls in an IP setting, SHOUT offers support of STUII, STUIII, STE, FNBDT for government, and now adds TCC for secure-grade commercial phones. SHOUT can operate as a standalone system, or can work alongside third- party call controllers, IP PBXs, and SIP proxies. The newest release of SHOUT is now generally available. About net.com Network Equipment Technologies, doing business as net.com, is a leading provider of networking equipment that enables enterprises, governments and carriers to adapt to a broadband future. An architect of the networking industry, net.com has been supplying service providers, governments and enterprises around the world with bulletproof networking technology for more than 20 years. net performance. net results. net.com. Visit http://www.net.com/ for more information. NOTE: SHOUT, SHOUT Packet Manager, net.com and the net.com logo are trademarks of Network Equipment Technologies, Inc. DATASOURCE: Network Equipment Technologies, Inc. CONTACT: investors, Brenda Ropoulos of net.com, +1-510-574-2508, or ; or Richard Williams, +1-919-554-3532, or , for net.com U.S.; or David Rowlands, +44-0-1291-626200, or , for net.com internationally; or Tonya Bacon, +1-301-408-4500, or , for N.E.T. Federal Web site: http://www.net.com/

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