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Method for switching between a data communication session and a voice communication session

  • US 5,764,736 A
  • Filed: 07/20/1995
  • Issued: 06/09/1998
  • Est. Priority Date: 07/20/1995
  • Status: Expired due to Term
First Claim
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1. A method of establishing voice and data connections using a communication terminal device, comprising:

  • providing a communication terminal device, said communication terminal device including an input device and a display device;

    establishing a primary data connection between the communication terminal device and a data communication network;

    providing within the communication terminal device a service tag identifying a voice network address to which a voice connection can be established;

    providing, on the display device, a displayed service object associated with the service tag;

    selecting the service object with the input device;

    upon selection of the service object, employing a voice communication module to establish a voice connection to the voice network address, retaining context information related to the data connection, and suspending the primary data connection;

    in conjunction with establishing the voice connection establishing a secondary data connection between the communication terminal device and the data communication network; and

    upon completion of the voice communication using the voice connection, terminating the voice session and resuming the primary data connection.

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