Optivon Selects Tekelec's Application Server to Deploy VoIP Services

    Business Editors/High-Tech Editors
    VON Spring 2005

    SAN JOSE, Calif.--(BUSINESS WIRE)--March 7, 2005--Tekelec (NASDAQ:TKLC), a leading developer of telecommunications products for next-generation fixed, mobile and packet networks, today announced at the Spring 2005 VON Conference & Expo that Optivon Inc. has chosen the Tekelec 6000 Application Server (formerly the VocalData Application Server) to deploy Voice over IP (VoIP) hosted services in the United States and Latin America.
    Optivon's hosted VoIP service, enabled by the Tekelec 6000, provides nationwide coverage including a robust and flexible set of next-generation features and applications. Using Tekelec's robust application server, the operator will create differentiated, value-added VoIP services such as unified communications and personal agent applications that give businesses consolidated control of calls, voicemail and e-mail.
    "We reviewed other competitive solutions, and the Tekelec 6000 was the most robust and reliable solution to support the high-impact needs of business customers," said Luis G. Romero, Optivon's CEO. "Tekelec's advanced VoIP applications and superior customer support enables us to offer innovative services to better serve our current customers and attract new clients."
    Tekelec's market-leading application server supports the largest number of calls per second and is one the most cost-effective solutions on the market today.
    "The Tekelec 6000 operates with every major IP protocol, enabling Optivon to offer the widest range of services," said Tricia Hosek, president of Tekelec's Next-Generation Switching Group. "This deployment is another important step in building momentum for our VoIP switching equipment and further expands our worldwide customer base of nearly 200 operators."
    Tekelec's application server and its entire suite of next-generation switching products enable all sizes and types of operators to deliver differentiating, next-generation VoIP and IP Centrex services. Tekelec's next-generating signaling and switching products and applications are featured at Spring VON at Tekelec's booth #1009.

    About Tekelec 6000 Application Server (Formerly VocalData Application Server)

    The Tekelec 6000 is the most cost-effective and robust application server on the market today, supporting the greatest number of calls per second. The industry-leading application server offers several features designed to meet the needs of operators, including: SIP interoperability, legacy enterprise support, residential and enterprise VoIP capabilities, personalized Web portals and international features. Offering service providers the widest range of choices, the Tekelec 6000 supports all major IP protocols: session initiation protocol (SIP), media gateway control protocol (MGCP), simple client control protocol (SCCP) and MiNet IP protocol.

    About Optivon

    Headquartered in Orlando, Fla., Optivon is the first company to provide comprehensive telecommunications offerings that combine IP-enabled services and on-demand professional call agents to solve business needs. Optivon's Advanced Call Management(SM) suite of services includes a robust set of VoIP services, including IP Centrex, IP Trunking, IP Telephony, unified communications, personal agent, service dispatch, contact center and remote receptionist. Optivon's solutions are available on an outsourced basis to service providers, as well as through the agent channel. Visit www.optivon.com for more information.

    About Tekelec

    Tekelec is a leading developer of now and next-generation signaling and switching telecommunications solutions, network performance management technology, and value-added applications. Tekelec's innovative solutions are widely deployed in traditional and next-generation wireline and wireless networks and contact centers worldwide. Corporate headquarters are located in Calabasas, Calif., with research and development facilities and sales offices throughout the world. For more information, please visit www.tekelec.com.

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CONTACT: Tekelec Media: Joni King Brooks, 919-461-1065 joni.brooks@tekelec.com or Investors: Mike Attar, 818-880-7821 michael.attar@tekelec.com

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