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Communication system having a notification function with respect to a predetermined state of each communication terminal thereof

  • US 6,477,383 B1
  • Filed: 08/22/2000
  • Issued: 11/05/2002
  • Est. Priority Date: 05/27/1998
  • Status: Expired due to Term
First Claim
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1. A communication system which performs communication between a first terminal and a second terminal via a communication network under control of a management station for managing said communication network, wherein:

  • said first terminal includes a transmitter which transmits to the management station recall data including an ID of said second terminal and state information specifying a predetermined state of said second terminal; and

    said management station includes a memory which stores the recall data, a detector which determines that said second terminal identified by said ID has entered the predetermined state specified by said state information, and a transmitter which sends to said first terminal a notification when said detector detects that said second terminal has entered the predetermined state.

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