Xten Networks Retains KCSA Worldwide As Investor Relations Counsel SANTA CLARA, CA, Jan. 4 /PRNewswire-FirstCall/ -- Xten Networks, Inc. (OTCBB: XNWK), a provider of VoIP (Voice over Internet Protocol), Video over IP, Instant Messaging, and Presence SIP softphones, today announced it has retained the investor relations services of KCSA Worldwide, a leading New York-based communications firm. Commenting on the appointment, Mark Bruk, Chief Executive Officer of Xten Networks, stated, "With customers now in more than 24 countries and growing interest in our new products, such as eyeBeam, this is clearly an exciting time for Xten Networks. We look forward to building our relationship with KCSA as we continue to execute our strategy for long-term growth through new licensing partnerships with industry leaders. Together with KCSA, we will effectively communicate our progress and strategic direction with the investment community as we continue to increase our customer base and grow the business." Todd Fromer, Managing Partner of KCSA Worldwide, said, "We are excited to work with Xten Networks. The Company presents a compelling story in a growing market, and management has expressed a strong commitment to increase awareness. We look forward to providing our investor relations expertise and supporting the Company's communications' platform." Calysto Communications will continue to utilize its deep experience in the VoIP industry to provide public relations and media relations services with respect to the Company's products. About KCSA Worldwide KCSA Public Relations Worldwide is a leading public and investor relations firm with practice areas in public relations, investor relations, corporate and marketing communications, and design and graphics. KCSA is the U.S. partner of European Communication Partners, a network of public relations firms in EEC countries and Canada, and the U.S. member of IR Asia-Pacific Ltd., the world's first network of independent investor relations consultancies. The firm has strategic alliances in Australia, Israel, Russia and South America. About Xten Networks, Inc. Xten is a developer of award-winning, high-quality, carrier-grade 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. Xten has a feature-rich FREE SIP softphone dubbed X-Lite, in addition to the fully featured X-PRO commercial softphone and eyeBeam, a SIP Video over IP softphone with IM and Presence. Through its deployments with leading service providers, Xten has more than 700,000 IP endpoints deployed worldwide. For more information please visit http://www.xten.com/. CONTACTS: Todd Fromer / Michael Cimini (212) 896-1215 / (212) 896-1233 / 896-1233, tfromer@kcsa.com / mcimini@kcsa.com (XNWK) DATASOURCE: Xten Networks Inc. CONTACT: Todd Fromer / Michael Cimini, (212) 896-1215

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