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Method of pre-authorizing handovers among access routers in communication networks

  • US 7,684,798 B2
  • Filed: 11/09/2001
  • Issued: 03/23/2010
  • Est. Priority Date: 11/09/2001
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • receiving from a first access router in a first network by a second access router in a second network that serves a different service area a request for authorization inquiry including an identifier that identifies a mobile terminal that is a candidate for a handoff operation;

    causing a database to be queried via a server to determine whether the second access router is authorized to accept a handoff operation for the mobile terminal;

    in response to determining that the mobile terminal is authorized to be handed off to the second access router, performing a handoff operation from the first access router to the second access router; and

    in response to determining that the mobile terminal is not authorized to be handed off to the second access router, inhibiting the handoff operation from the first access router to the second access router.

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