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SYSTEM AND METHOD FOR LOCATING A DUAL-MODE CALLING INSTRUMENT IN A PLURALITY OF NETWORKS

  • US 20090227253A1
  • Filed: 03/05/2008
  • Published: 09/10/2009
  • Est. Priority Date: 03/05/2008
  • Status: Abandoned Application
First Claim
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1. A system for providing location information indicating locus of a calling unit roaming within or among a plurality of communication networks;

  • the system comprising;

    (a) at least one communication access unit for each respective network of said plurality of communication networks;

    said calling unit effecting communications via a respective communication access unit of said at least one communication access unit;

    (b) at least one controller unit coupled with each said respective network and with at least one switching unit;

    said at least one controller unit and said at least one switching unit cooperating to effect routing of communications to a called unit; and

    (c) at least one data base coupled with at least one selected controller unit of said at least one controller unit;

    a respective data base of said at least one data base cooperating with a respective controller unit of said at least one selected controller unit to enter said location information in said respective data base substantially when said calling unit begins communicating in said respective network coupled with said respective controller unit.

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