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Single voicemail for dual-mode phones

  • US 8,538,387 B2
  • Filed: 12/12/2007
  • Issued: 09/17/2013
  • Est. Priority Date: 12/12/2007
  • Status: Active Grant
First Claim
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1. A method of operating a controller for controlling a dual-mode phone comprising:

  • receiving an incoming outside call for a target number at the controller,retrieving a cellular number for the dual-mode phone associated with the target number, the cellular number being different than the target number,placing a cellular call to the cellular number by the controller,starting a timer when the cellular call is answered,determining if a cellular voicemail answered the cellular call according to receipt of an in-band predetermined signal sent via the cellular call before a preset time on the timer expires,connecting the incoming outside call to the cellular call if the cellular voicemail did not answer the cellular call, anddisconnecting the cellular call and connecting the incoming outside call to voicemail associated with the target number if the cellular voicemail answered the cellular call.

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