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Supporting real-time multimedia applications via a network address translator

  • US 20030048780A1
  • Filed: 09/10/2001
  • Published: 03/13/2003
  • Est. Priority Date: 09/10/2001
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • sending a first signaling from a first address to a second address, using an public address of a network address translator, with the information about a first port at the first address;

    sending, upon receiving the first signaling, a second signaling from the second address to the first address, via the public address, with the information about a second port at the second address;

    sending, upon receiving the second signaling, a packet from the first port at the first address to the second port at the second address via the public address to establish a data channel between the first port of the first address and the second port of the second address; and

    streaming data between the first port at the first address and the second port at the second address via the data channel using a receiving address.

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