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Method for automatic and seamless call transfers between a licensed wireless system and an unlicensed wireless system

  • US 20030176186A1
  • Filed: 04/02/2002
  • Published: 09/18/2003
  • Est. Priority Date: 02/26/2001
  • Status: Active Grant
First Claim
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1. A method of integrating a licensed wireless system and an unlicensed wireless system, comprising:

  • establishing a communication session through a landline;

    linking said communication session to a subscriber device through an unlicensed wireless system servicing an unlicensed wireless system service area;

    receiving an indication that said subscriber device is moving from said unlicensed wireless system service area into a licensed wireless system service area; and

    without disrupting said communication session, automatically transitioning said communication session from said unlicensed wireless system to a licensed wireless system servicing said licensed wireless system service area.

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