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Modem and communications control selection

  • US 5,961,608 A
  • Filed: 10/04/1996
  • Issued: 10/05/1999
  • Est. Priority Date: 10/04/1996
  • Status: Expired due to Term
First Claim
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1. A method of selecting among communication devices for use with a programmable apparatus, comprising the apparatus performing the steps of:

  • detecting a transition in a physical connection between a communication device and the apparatus;

    when the transition connects the communication device and the apparatus, then selecting the communication device;

    when the transition disconnects the communication device and the apparatus, then deselecting the communication device;

    wherein application software that executes on the apparatus and that uses an operating system interface to a communication network accesses the network via the selected communication device; and

    wherein the network is selected from a group consisting of the public switched telephone network (PSTN), a cellular telephone connection, a private telephone network, an integrated systems digital network (ISDN), an adaptive differential subscriber line (ADSL), a frame relay network, an asynchronous transfer mode (ATM) network, a personal communications services (PCS) network, an IRIDIUM network and a TELEDESIC network.

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