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SECURE, DISTRIBUTED HIERARCHICAL CONVERGENCE NETWORK

  • US 20090215411A1
  • Filed: 02/23/2006
  • Published: 08/27/2009
  • Est. Priority Date: 02/23/2005
  • Status: Active Grant
First Claim
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1. A method of employing multiple frequencies to provide a push-to-talk service, comprising:

  • receiving a signal in a first frequency;

    down-converting the received signal to a digital signal;

    applying a business rule to the down-converted digital signal; and

    when the business rule indicates that the signal should be transmitted in a second frequency,causing the down-converted digital signal to be translated to a second frequency and transmitted in the second frequency.

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