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MULTIPLE PTT FUNCTIONALITY

  • US 20090291646A1
  • Filed: 05/22/2008
  • Published: 11/26/2009
  • Est. Priority Date: 05/22/2008
  • Status: Active Grant
First Claim
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1. A push-to-talk (PTT) device comprising:

  • a channel selector that selects an initial frequency to receive and transmit;

    a PTT button that activates transmission of a PTT signal from the device when pressed;

    a PTT key that activates a multiple PTT function; and

    a keypad containing keys at least one of which that, when the multiple PTT function is active, changes the transmission frequency of the device dependent on the key selected on the keypad and a channel determined by the channel selector.

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