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COMMUNICATION SYSTEM USING MULTIPLE TYPES OF COMMUNICATION MODES, COMMUNICATION TERMINAL, COMPUTER PROGRAM, AND COMMUNICATION METHOD

  • US 20100217851A1
  • Filed: 02/23/2010
  • Published: 08/26/2010
  • Est. Priority Date: 02/25/2009
  • Status: Active Grant
First Claim
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1. A communication system comprising:

  • multiple communication terminals that are used by multiple users; and

    a management unit that holds management information expressing which type of communication mode corresponding to which communication address information is used by which user and by which communication terminal, and connection information including communication address information of one communication terminal that has communicated and communication address information of the other communication terminal that has communicated,wherein the management unit holds connection information corresponding to an instance of communication even if that instance of communication has ended;

    each communication terminal communicates with other communication terminals in one or more types of communication modes, and includes a communication support unit;

    in the case where a first-type communication mode of a first communication terminal that includes the communication support unit is used by a first user, the communication support unit accesses the management unit to specify communication address information corresponding to the first-type communication mode in a second communication terminal used by a second user, and the first communication terminal communicates with the second communication terminal in the first-type communication mode using the specified communication address information;

    the first user is a user that used a second-type communication mode prior to using the first-type communication mode of the first communication terminal;

    the second user is a user that communicated with the first user using the second-type communication mode prior to using the first-type communication mode of the first communication terminal; and

    the specified communication address information is communication address information specified based on an instance of communication address information within the connection information that has another instance of communication address information corresponding to the second-type communication mode used by the first user, and based on the management information.

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