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SWITCHING OF AN INFRASTRUCTURE-LESS NETWORK TO A FIXED-INFRASTRUCTURE NETWORK

  • US 20090196258A1
  • Filed: 06/01/2007
  • Published: 08/06/2009
  • Est. Priority Date: 06/06/2006
  • Status: Abandoned Application
First Claim
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1. A method of switching a communication session between at least a first terminal and a second terminal from a first network with no fixed infrastructure to a second network with a fixed infrastructure upon degradation on a first transmission channel between said first and second terminals in said first network, said first and second terminals each including communication means relative to said first and second networks, said method including in at least one of said first and second terminals the following steps of:

  • detecting a degradation on said first transmission channel and storing latest data received from the other terminal,transmitting an invitation message including connection parameters relative to a second transmission channel to the other terminal via one of said first and second networks if said degradation is estimated as permanent, andestablishing said second transmission channel from said other terminal through said second network so that said first and second terminals are connected via said second network to thereby continue said communication session depending on the stored latest received data.

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