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Peer-to-peer mobile data transfer method and device

  • US 20050220041A1
  • Filed: 01/24/2005
  • Published: 10/06/2005
  • Est. Priority Date: 04/05/2004
  • Status: Active Grant
First Claim
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1. A method of establishing a direct data transfer session between mobile devices that support a data packet-based communications service over a digital mobile network system, the method comprising:

  • opening a listening port on an initiating mobile device to receive communications through the data packet-based communications service;

    transmitting an invitation message containing the address and the listening port of the initiating mobile device to a target mobile device through a page-mode messaging service, wherein the target mobile device is located by providing to the page-mode messaging service a unique identification number that is used by the digital mobile network system to locate the target mobile device;

    receiving a response from the target mobile device at the listening port on the initiating wireless device through the data packet-based communications service; and

    establishing a virtual connection through the data packet-based communications service for the direct data transfer session between the initiating mobile device and the target mobile device.

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