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Method and apparatus enabling PTT (push-to-talk) communications between legacy PSTN, cellular and wireless 3G terminals

  • US 20070004438A1
  • Filed: 07/01/2005
  • Published: 01/04/2007
  • Est. Priority Date: 07/01/2005
  • Status: Abandoned Application
First Claim
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1. An apparatus comprising:

  • a telecommunications network structured to allow simultaneous origination of simplex voice communication from one terminal of PTT (Push To Talk) terminals, wireline phone terminals, and multimedia web terminals to a predefined heterogeneous group of PTT terminals, wireline phone terminals, and a multimedia web terminals; and

    the telecommunications network structured to allow an originating terminal of the PTT terminals, wireline phone terminals, and a multimedia web terminals to receive simplex replies from other of the PTT terminals, wireline phone terminals, and multimedia web terminals.

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