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Message transmitting system wherein recipient site is determined using information concerning the relationship between the sender and recipient sites

  • US 5,287,498 A
  • Filed: 04/02/1991
  • Issued: 02/15/1994
  • Est. Priority Date: 04/02/1991
  • Status: Expired due to Term
First Claim
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1. Apparatus for use in a network of sites in transmitting a message from a message sender at a message sender site to a message recipient at a message recipient site, the message recipient site being collocated with or being remote with respect to the message sender site, which apparatus comprises:

  • database means for storing information for the network which database means comprises;

    site database storing means for storing information for a site within the network, which information identifies whether the site is collocated or remote with respect to other sites in the network;

    address database storing means for storing information for a particular site within the network, which information comprises;

    (a) information which identifies groups of network addresses associated with the particular site, a group specific of said groups of network addresses being referred to as a network address extension range, and (b) information which identifies local extension addresses associated with each of the network addresses extension ranges, each of said local extension addresses being referred to as a local mailbox number; and

    user database storing means for storing information for each user in the network, which information comprises a specific network address and a specific local extension address associated with the user being referred to as a user'"'"'s local mailbox number;

    sender, for receiving the specific network address of the message recipient, and for accessing the user database storing means to determine a message sender site identifier; and

    translation processor means for accessing the address database storing means and for comparing network address extension ranges for the network sites stored therein with the network address of the message recipient to determine if the network address of the message recipient is within a particular one of said network address extension ranges and to determine a message recipient site identifier, wherein the means for comparing further comprises means for accessing the site database storing means using a site identifier for a specific site to determine whether the specific site is collocated or remote with the message sender site and, if the message sender site and the specific site are collocated the means for comparing utilizes the local extension addresses associated with the particular network address extension range for comparing, else if remote the means for comparing utilizes the network address for comparing.

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