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Peer-to-peer mobile data transfer method and device

  • US 7,773,550 B2
  • Filed: 01/24/2005
  • Issued: 08/10/2010
  • 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 an initiating mobile device and a target mobile device that each supports a data packet switching communications service over a digital mobile network system, the method comprising:

  • receiving a selected phone number from a user of the initiating mobile device corresponding to the target mobile device;

    generating a port number for the received selected phoned number;

    opening a listening virtual connection endpoint bound to the generated port number on the initiating mobile device to receive a connection request through the data packet switching communications service specifically from the target mobile device;

    transmitting an invitation SMS message comprising an IP address of the initiating mobile device and the generated port number to the selected phone number corresponding to the target mobile device;

    receiving a connection request from the target mobile device at the listening virtual connection endpoint on the initiating mobile device through the data packet switching communications service; and

    establishing a virtual connection through the data packet switching communications service for the direct data transfer session enabling transmission of a byte stream between the initiating mobile device and the target mobile device, wherein the virtual connection is established without use of a server that handles connection requests from multiple mobile devices.

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