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Method and apparatus for inband signaling control of vocoder bypass

  • US 6,091,969 A
  • Filed: 08/21/1998
  • Issued: 07/18/2000
  • Est. Priority Date: 08/21/1998
  • Status: Expired due to Term
First Claim
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1. In a wireless communication system providing communication services between a first mobile and a second mobile, the first mobile having a first mobile vocoder, the second mobile having a second mobile vocoder and the wireless communication system having a vocoder active mode of operation and a vocoder bypass mode of operation, a method of transitioning the wireless communication system from vocoder active mode of operation to the vocoder bypass mode of operation, the method comprising the steps of:

  • providing a first signal within a compressed speech signal, the first signal including a vocoder bypass capability information and a vocoder type information;

    detecting the first signal the compressed speech signal;

    determining a compatibility of the first mobile vocoder and the second mobile vocoder based at least upon the vocoder type information;

    determining an incompatibility between the first mobile vocoder and the second mobile vocoder;

    negotiating a compatible vocoder type; and

    initiating the vocoder bypass mode of operation based upon the compatibility.

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