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System and Method for Providing Bidirectional Message Communication Services with Portable Terminals

  • US 20080261562A1
  • Filed: 10/27/2006
  • Published: 10/23/2008
  • Est. Priority Date: 10/28/2005
  • Status: Abandoned Application
First Claim
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1. A message transmission method in a system connected to a plurality of user terminals through a network, the message transmission method comprising:

  • a) the system receiving user ID information and a wireless telephone number from a first user'"'"'s terminal having a client processing device;

    b) the system performing first authentication on the first user depending on whether the user ID information is stored in a database for storing information on users who are available for a service;

    c) when the first authentication is finished, performing second authentication on the first user in cooperation with a portable terminal having the wireless telephone number;

    d) receiving a message and at least two receiving designated information from the client processing device of the first user terminal having undergone the first and second authentication; and

    e) simultaneously transmitting the message to at least two second users'"'"' terminals based on the receiving designated information.

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