Patent ID: 9232463
Filing Date: 2016-01-05
CPC Classification: H04W

Claim Text:
1. A method in a mobile node, the method comprising: determining that a wireless local area network (WLAN) in communication connectivity with the mobile node is directly connected to a home public land mobile network (HPLMN) of the mobile node; in response to the determining, causing an identifier module of the mobile node to retrieve an alternative network address identifier (NAI) based on the mobile node determining that the alternative NAI will cause authentication to fail; sending, from the mobile node to the WLAN, a message comprising the alternative NAI; based on the alternative NAI, receiving, at the mobile node from the WLAN, a list that identifies any public land mobile network (PLMN) accessible via the WLAN; and communicating with a PLMN from the list different from the HPLMN.