Phone directory in a voice over IP telephone system

  • US 8,391,298 B2
  • Filed: 05/29/2003
  • Issued: 03/05/2013
  • Est. Priority Date: 02/01/2001
  • Status: Active Grant
First Claim
Patent Images

1. An information handling system comprising:

  • a first local area network (“

    LAN”

    );

    a second LAN;

    a wide area network (“

    WAN”

    ) coupling the first LAN to the second LAN;

    a third LAN coupled to the first and second LANs via the WAN;

    a first telecommunications device coupled to the first LAN;

    a plurality of telecommunications extensions coupled to the second LAN;

    the first LAN including first circuitry for enabling a user of the first telecommunications device to observe a list of the plurality of telecommunications extensions;

    the first LAN including second circuitry for automatically calling one of the plurality of telecommunications extensions in response to the user selecting one of the plurality of telecommunications extensions from the observed list, wherein the list of the plurality of telecommunications extensions is stored in a server in the second LAN, and is accessed by the first circuitry across the WAN; and

    a plurality of telecommunications extensions coupled to the third LAN, the first LAN including circuitry for enabling the user to select between observing the list of the plurality of telecommunications extensions coupled to the second LAN or observing a list of the plurality of telecommunications extensions coupled to the third LAN.

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