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Method and system for multimodal presence detection

  • US 6,735,287 B2
  • Filed: 11/16/2001
  • Issued: 05/11/2004
  • Est. Priority Date: 11/16/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • (a) providing a presence device associated with a communication device, the presence device operable in a first mode and a second mode;

    (b) if the presence device is operating in the first mode, biometrically authenticating a user using the presence device and receiving a presence confirmation input from the communication device;

    (c) if the presence device is operating in the second mode, receiving a user-entered log-in input from the communication device and authenticating the user entered login input;

    (d) in response to (b) or (c), updating a central presence database to indicate that the communication device is active for the user;

    (e) receiving at least one message to be routed to the user;

    (f) using the central presence database to determine that the communication device is active for the user; and

    (g) sending the at least one message to the communication device.

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