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Voice data modem, voice data method and voice data modem system

  • US 5,699,413 A
  • Filed: 12/13/1995
  • Issued: 12/16/1997
  • Est. Priority Date: 12/13/1995
  • Status: Expired due to Term
First Claim
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1. A method for terminating a simultaneous voice session and a data session over a first network telecommunications connection, the simultaneous voice session and data session occurring between and among a plurality of locations via a plurality of voice data modems, the plurality of voice data modems including a local voice data modem and an intermediate voice data modem, the first network telecommunications connection having been established between the local voice data modem and the intermediate voice data modem, the data session occurring between first data terminal equipment connected to the local voice data modem and second data terminal equipment connected to the intermediate voice data modem, the voice session occurring between a local telephone connected to the local voice data modem and a remote telephone at a third location of the plurality of locations over a second telecommunications connection having been established between the intermediate voice data modem and the remote telephone, the method comprising:

  • (a) issuing a disconnection request to the local voice data modem and the intermediate voice data modem;

    (b) determining whether the disconnection request is a voice session disconnection request;

    (c) determining whether the disconnection request is a data session disconnection request;

    (d) when the disconnection request is a voice session disconnection request, terminating the voice session connection after the data session has ended; and

    (e) when the disconnection request is a data session disconnection request, terminating the data session connection after the voice session has ended.

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