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Apparatus and method of wireless instant messaging

  • US 8,121,582 B2
  • Filed: 02/23/2006
  • Issued: 02/21/2012
  • Est. Priority Date: 09/19/2002
  • Status: Expired due to Term
First Claim
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1. A method of communicating instant messages, comprising:

  • receiving inputs at a wireless communication device, the inputs declaring a presence state and an activity state for the wireless communication device, the presence state identifying a current availability of a user to receive an instant messaging (IM) communication, and the activity state identifying an activity currently being performed by the user of the wireless communication device;

    transmitting the presence state and the activity state from the wireless communication device to a presence information server, wherein the presence information server is configured to store and update presence state information and activity state information for the wireless communication device to respectively reflect the presence state and the activity state declared by the inputs to the wireless communication device;

    the presence information server using the presence state information and the activity state information for the wireless communication device to identify a device with matching presence and activity state information; and

    in response to identifying the device with matching presence and activity state information, the presence information server causing the device to transmit an instant message to the wireless communication device relating to the activity state information.

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