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System and method in a wireless telecommunication network for placing a voice call on hold and conducting a data session

  • US 20020122401A1
  • Filed: 03/02/2001
  • Published: 09/05/2002
  • Est. Priority Date: 03/02/2001
  • Status: Abandoned Application
First Claim
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1. A method in a wireless telecommunication network for placing on hold an ongoing circuit-switched voice call between a first party and a second party, and conducting a packet-switched data session between the second party and a third party, said method comprising the steps of:

  • sending by a packet-switched call-service node, a setup request for the data session to a circuit-switched call-service node that is handling the ongoing circuit-switched voice call;

    upon receipt of the setup request, placing the voice call on hold by the circuit-switched node;

    sending an acceptance of the data session from the circuit-switched node to the packet-switched node;

    upon receipt of the acceptance, setting up the data session by the packet-switched node and conducting the data session between the second party and the third party;

    upon completion of the data session, sending a notification from the packet-switched node to the circuit-switched node that the data session is completed; and

    in response to the notification that the data session is completed, resuming by the circuit-switched node, the voice call between the first party and the second party.

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