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METHOD AND SYSTEM FOR SERVERLESS VOIP SERVICE IN PERSONAL COMMUNICATION NETWORK

  • US 20090161663A1
  • Filed: 02/25/2009
  • Published: 06/25/2009
  • Est. Priority Date: 12/10/2004
  • Status: Abandoned Application
First Claim
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1. A method of Voice over Internet Protocol (VoIP) between a first device and a second device, wherein the first device and the second device respectively having a network information corresponding to a network with at least one server, comprising:

  • exchanging the network information between the first device and the second device through the network without a prior registration to the server;

    sending a signaling invite request through the network from the first device to the second device according to the network information of the second device;

    sending a signaling confirm through the network from the second device to the first device if the second device accepts the signaling invite request; and

    replying with a signaling acknowledgement through the network from the first device to the second device to establish a VoIP connection between the first device and the second device,wherein the signaling invite request, the signaling confirm and the signaling acknowledgement are transmitted without through the server.

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