Xten VoIP Softphones Now Available for Linux SANTA CLARA, CA, May 16 /PRNewswire-FirstCall/ -- Xten Networks, Inc. (OTCBB: XNWK), a provider of VoIP (Voice over Internet Protocol), Video over IP, Instant Messaging (IM), and Presence SIP softphones, announced today that some of its SIP softphones and software development kits (SDKs) are now available for Linux. "Xten has done and continues to do very well on the desktop. The company is now becoming more active in developing and selling solutions into the appliance oriented market," commented Erik Lagerway, COO and President for Xten. "The first step towards creating some of these embedded solutions is support for Linux." Xten's softphones for Windows, MAC OS X, Pocket PC and now Linux are software applications, which run on devices such as personal computers (PCs) or personal digital assistants (PDAs) or can be integrated into set-top boxes, embedded devices, instant messenger applications, and the like. When an Xten softphone is connected to a service provider's network, the user can make and receive calls to and from other "on-net" callers (IP-to-IP) and/or "off-net" callers (IP-to-PSTN/Cellular) with the same quality of service they would expect from an IP handset. However, at a fraction of the cost, while providing more features and functionality than an IP handset. The Linux version of X-Lite has been tested on Debian(R), RedHat Fedora, S.U.S.E.(R) and Sun(R) JDS. A free version of X-Lite for Linux is now available from Xten's website, please visit http://www.xten.com/. About Xten Networks Xten Networks is a developer of award-winning, high-quality, carrier- grade VoIP (Voice over IP) and Video over IP SIP softphones for service providers, cable operators, Internet telephony service providers, IP PBX manufacturers and OEMs. Xten's SIP softphones are available either pre- configured or as a software development kit (SDK), and provide VoIP (Voice over IP), Video over IP, IM (Instant Messaging), and Presence functionality. eyeBeam - Xten's feature-rich SIP Video over IP softphone with IM and Presence - recently received both Communications Solutions(R) Magazine's and INTERNET TELEPHONY(R) Magazine's "Product of the Year" Award for 2004. Through deployments with leading service providers, Xten has more than 1,200,000 IP endpoints deployed worldwide. For more information please visit http://www.xten.com/ For more information on Xten, please contact Investor Relations - KCSA Worldwide: Todd Fromer +1.212.896.1215 Michael Cimini +1.212.896.1233 For more information on Xten products, please contact Media Relations: Tiffany Zinck +1.604.628.2127 DATASOURCE: Xten Networks Inc. CONTACT: For more information on Xten, please contact Investor Relations - KCSA Worldwide: Todd Fromer, (212) 896-1215, ; Michael Cimini, (212) 896-1233, ; For more information on Xten products, please contact Media Relations: Tiffany Zinck, (604) 628-2127,

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