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Instant messaging to a mobile device

  • US 8,315,651 B2
  • Filed: 05/03/2001
  • Issued: 11/20/2012
  • Est. Priority Date: 05/03/2001
  • Status: Expired due to Fees
First Claim
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1. A system for providing a wireless communications device access to an instant messaging service on a data network, the instant messaging service communicating instant messages in an instant message format, the system comprising:

  • a wireless communication network;

    a short message service (SMS) center connected to the wireless communication network;

    a plurality of information handling systems connected to the data network and logged into the instant messaging service for sending and receiving instant messages;

    a wireless communications device, comprising;

    a battery;

    a processor, operatively coupled to the battery, configured to control and monitor a discharge state of the battery;

    the wireless communications device configured to;

    operate in an active state where the wireless communications device is powered on but is not connected to the wireless communication network;

    receive at least a portion of an intercepted instant message as a converted message while in the active state and without having a connection to the data network; and

    a proxy server having a first connection to the SMS center and a second connection to the data network, the proxy server configured to;

    establish a substitute proxy presence on the data network for the wireless communications device;

    transmit presence information to the instant messaging service, in response to receiving instant messaging service login information from the wireless communications device;

    maintain the presence information even when a data connection does not exist between the wireless communications device and the wireless network;

    intercept and store an instant message addressed to the wireless communications device as the intercepted instant message, when the wireless communications device is in the active state;

    convert at least a portion of the intercepted instant message into the converted message having a short message format, and send the converted message to the wireless communications device through the wireless network via the SMS center;

    convert an identifier of a sender of the intercepted instant message into a converted identifier having a short message format and send the converted identifier to the wireless communications device;

    save the entire intercepted instant message for a period of time, wherein a data connection to the proxy server by the wireless communications device enables viewing the entire intercepted instant message via the wireless communications device;

    receive a response short message from the wireless communications device that is addressed to an information handling system of the plurality of information handling systems, convert the response short message into a converted response message having an instant message format, and send the converted response message to the information handling system.

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