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Server based voice call offer while telephone in data session

  • US 6,188,886 B1
  • Filed: 06/04/1998
  • Issued: 02/13/2001
  • Est. Priority Date: 06/04/1998
  • Status: Expired due to Term
First Claim
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1. A telephone communications network capable of operation in both data communication and voice communication mode, the network comprising:

  • at least one display based telephone handset;

    central switching controller coupled to the telephone handset and connectable to an external switched telephone network for selective switching of the telephone handset to the external switched network; and

    a central computing device connected to the central switching controller and controlling operation of the central switching controller by means of control software running on the central computing device and providing selective access by the telephone handset through the central switching controller to application software running on the central computing device;

    wherein the control software operates, while the telephone handset is in a data communication mode with the application software and an incoming voice call for the telephone handset is received at the central switching controller, to save in memory information correspond o the telephone handset, to offer the incoming voice call to a display on the telephone handset, to connect the voice call to the telephone handset in the event that an acceptance signal is sent from the telephone handset, to reject the voice call in the event that a rejection signal is sent from the telephone handset, and to restore the information corresponding to the telephone handset to the telephone handset after reception of one of the acceptance and rejection signals.

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