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Portable cellular telephone with automatically transmitted origination message and method therefor

  • US 6,654,619 B1
  • Filed: 06/02/1999
  • Issued: 11/25/2003
  • Est. Priority Date: 02/24/1994
  • Status: Expired due to Fees
First Claim
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1. A method of operating a portable cellular telephone to originate a call upon automatic recognition of phone number completion, wherein the portable cellular telephone includes a case, a dial tone generator within said case, and a keypad mounted to said case, and wherein said method comprises the steps of:

  • generating an audible dial tone with the dial tone generator in response to an off-hook condition;

    identifying, within the portable cellular telephone, the entry of earlier and later dialed digits via the keypad, said earlier digit being a first digit of said phone number, and said earlier digit being dialed prior to said later digit and after initiation of said generating step, said identifying step further identifying the entry of a second dialed digit;

    determining, at the portable cellular telephone in response to a numeric value of said earlier digit, whether said later digit is a final digit of a phone number, said determining step verifying that said second digit is neither a zero nor a one when said first digit was a zero or a one; and

    automatically transmitting an origination message from the portable cellular telephone when said later digit is said final digit of said phone number, said origination message conveying said phone number to a telecommunication network.

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