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Data communication apparatus and data communication method

  • US 7,321,585 B2
  • Filed: 10/30/2003
  • Issued: 01/22/2008
  • Est. Priority Date: 08/05/2003
  • Status: Expired due to Fees
First Claim
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1. A data communication apparatus that exchanges a voice packet via an IP network, the apparatus comprising:

  • a data processor that executes a standard communication mode and a high-speed communication mode, the voice packet including non-voice data and being exchanged at a predetermined transfer rate via the IP network in the standard communication mode and at a rate faster than the predetermined transfer rate via the IP network in the high-speed communication mode, the standard communication mode and the high-speed communication mode being interchangeably executed;

    an acceptor that obtains capability information of a remote apparatus in accordance with a predetermined communication protocol; and

    a controller that selects the high-speed communication mode for execution based on a determination, using the capability information, that the remote apparatus is configured to execute the high-speed communication mode.

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