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Method for demand channel change for a radio telephone

  • US 6,167,260 A
  • Filed: 01/31/1996
  • Issued: 12/26/2000
  • Est. Priority Date: 01/31/1996
  • Status: Expired due to Fees
First Claim
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1. A method of operating a radiotelephone to perform an on demand channel change in a cellular system including at least one central device, the radiotelephone including a transceiver, a manually actuated user input and a controller, the method comprising the steps of:

  • generating a channel change request responsive to actuation of the manually actuated user input during an active call;

    controlling the transceiver to transmit a channel change request to the central device responsive to the channel change request;

    changing to a new channel identified by the central device if a first reply signal is received from the central device;

    controlling the user interface to generate a display signal for a user confirming that a channel change is not available if a second reply signal is received from the central device; and

    performing a channel scan if a channel scan request signal is received from the central device, wherein the step of performing a channel scan includes scanning a list of channels received from the central device and said step of scanning includes scanning those channels in the list.

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