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Telephone call service by sensing hand-held state of cellular telephone

  • US 6,330,457 B1
  • Filed: 07/29/1999
  • Issued: 12/11/2001
  • Est. Priority Date: 07/31/1998
  • Status: Expired due to Term
First Claim
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1. A method for providing a phone call service comprising:

  • determining whether a phone is busy;

    determining whether a user is holding said phone if said phone is busy, and automatically closing an opened speech path when it is determined that the user is no longer holding said phone; and

    determining whether there is an incoming call if the phone is not determined to be busy, and determining whether a user is holding said phone if there is an incoming call and automatically opening a speech path if the user is holding said phone.

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