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Apparatus, and associated method, for facilitating communications by a mobile node in a multiple network radio communication system having interworking capability

  • US 9,980,210 B2
  • Filed: 12/28/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 08/09/2004
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • sending, from a mobile node to a wireless local area network (WLAN), a message comprising an alternative network address identifier (NAI), the alternative NAI being different than a root NAI, wherein the root NAI identifies a home cellular communication system network associated with the mobile node, and the alternative NAI is selected by the mobile node to be unrouteable to the home cellular communication system network; and

    receiving, from the WLAN and in response to the message comprising the alternative NAI, a list that identifies a public land mobile network (PLMN) accessible via the WLAN.

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