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Method and communication terminal device for exchanging data during or after a communication connection

  • US 8,391,187 B2
  • Filed: 09/10/2008
  • Issued: 03/05/2013
  • Est. Priority Date: 09/28/2007
  • Status: Active Grant
First Claim
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1. A method for exchanging data between a first communication terminal and a second communication terminal, wherein the first communication terminal and the second communication terminal are connected to a data network, comprising:

  • establishing a voice communication connection between the first communication terminal and the second communication terminal via a voice communication network to which the first communication terminal and the second communication terminal are connected, the voice communication network being a network that is at least logically different than the data network;

    transmitting acoustic coded address information from the first communication terminal to the second communication terminal via the voice communication connection; and

    sending data over the data network from the second communication terminal to the first communication terminal using the acoustic coded address information; and

    wherein the sent data comprises at least one of an electronic business card for the second communication terminal and an electronic business card for a user of the second communication terminal.

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