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Virtual private network for real-time data

  • US 20060282889A1
  • Filed: 06/08/2005
  • Published: 12/14/2006
  • Est. Priority Date: 06/08/2005
  • Status: Active Grant
First Claim
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1. A method for protecting real-time data exchanged as packets between a mobile electronic device and a VPN gateway during a media session over a communications link that includes a wireless network, including:

  • establishing a first VPN connection between the mobile electronic device and the VPN gateway through the communications link, the first VPN connection using key-based encryption to protect data exchanged therethrough;

    establishing, while the first VPN connection is established, a second VPN connection between the mobile electronic device and the VPN gateway through the communications link, the second VPN connection using key-based encryption to protect data exchanged therethrough;

    exchanging real-time data packets between the mobile electronic device and the VPN gateway through the second VPN connection.

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