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Telephone system and method for selectively ringing a portable phone based on the self-detected geographical position of the portable phone

  • US 7,251,494 B2
  • Filed: 08/04/2005
  • Issued: 07/31/2007
  • Est. Priority Date: 06/09/2000
  • Status: Expired due to Term
First Claim
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1. A telephone system comprising:

  • a portable phone that includes a position detector that detects geographical position of the portable phone;

    a defined geographical region that is assigned a telephone number;

    a processor in the portable phone that determines from the position detector the geographical position of the portable phone, that receives a call for the assigned telephone number of the defined geographical region, and in response to receiving the call, the processor rings the portable phone if the portable phone is within the defined geographical region, and does not ring the portable phone if the portable phone is outside the defined geographical region; and

    a voice message mechanism that provides a voice message to a caller when there is no assigned portable phone in the defined geographical region, wherein the voice message includes a voice menu that allows the caller to ring a portable phone that is closest to the defined geographical region.

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