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Method and apparatus for a source-initiated handoff from a source cellular wireless network to a target non-cellular wireless network

  • US 6,904,029 B2
  • Filed: 01/23/2003
  • Issued: 06/07/2005
  • Est. Priority Date: 01/23/2003
  • Status: Expired due to Term
First Claim
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1. An access gateway able to facilitate handoff from a cellular wireless network to a non-cellular wireless network, the access gateway comprising:

  • a network interface; and

    a cellular interworicing device, communicatively coupled to the network interface, that receives a handin request from a mobile station (MS) via a non-cellular access point and the network interface, that sends a handin request acknowledgment to the MS via the non-cellular access point and the network interface in response to the handin request, that receives a handoff indication from a mobile switching center (MSC) associated with the MS, that receives a handoff complete indication from the MS via the non-cellular access point and the network interface, and that sends an indication to the MSC that the MS is on channel, in response to the hand off complete indication.

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