ADVISORY/Legra Systems To Give First Demonstration of WLAN with Built-in VoIP/WLAN 'Soft Switch' at Spring 2004 VON Conference.

Business Editors/High-Tech Writers

ADVISORY...for Sunday-Thursday (March 28-April 1)

Spring VON 2004

--(BUSINESS WIRE)--Legra Systems

    WHO: Legra Systems, a provider of secure wireless LAN solutions
    that are most like a wired LAN for performance, security and
    manageability.

    WHAT: Legra will give the first demonstration of VoIP (voice over
    Internet Protocol) calling over a wireless LAN using Cisco WLAN
    phones and an open-source SIP (Session Initiated Protocol) soft
    switch integrated with its Legra Wireless LAN Switching Solution.

    WHEN: March 28 to April 1, 2004

    WHERE: Booth # 903, Spring 2004 VON Conference and Expo, Santa
    Clara Convention Center, Santa Clara, Calif.

    WHY: This demonstration will underscore the ease and practicality
    of VoIP in a wireless LAN environment and the openness of the
    Legra Wireless LAN Switching Solution. VoIP is a huge market for
    wireless networking technology vendors as it grows from a trunking
    option to a legitimate first choice for desktop voice.