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Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones

  • US 7,715,375 B2
  • Filed: 03/16/2004
  • Issued: 05/11/2010
  • Est. Priority Date: 10/05/1995
  • Status: Expired due to Fees
First Claim
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1. A multi-mode communication device comprising:

  • a first receiver and transmitter for communicating via a first wireless communication network;

    a second receiver and transmitter for communicating via a second wireless communication network;

    at least one processor communicatively coupled to the first receiver and transmitter and the second receiver and transmitter, the at least one processor capable of establishing the communication of information via at least one of the first wireless communication network and the second wireless communication network;

    wherein the at least one processor evaluates a cost of use of a communication network and establishes the communication of information based upon the cost; and

    wherein the at least one processor directs delivery of buffered digital voice data to conversion circuitry for converting digital voice data to an analog voice stream for the reproduction of voice after a delay that is adjustable by the at least one processor to accommodate variations in propagation delays over a communication network.

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