| 摘要 |
The invention provides a method for obtaining a trust type of a non-3GPP access system comprising the following steps: a user equipment UE establishing a underlying link with a non-3GPP access system selected by the UE; the UE initiating an access authentication request and sending the identification information of the UE and the information of the non-3GPP access system to an Authentication, Authorization, Accounting server through the non-3GPP access system; the UE receiving a returned access authentication response and the trust type of the non-3GPP access system, and the trust type of the non-3GPP access system being determined by the AAA server based on the identification information of the UE, the information of the non-3GPP access system and the operator's strategy. The invention can realize that the trust type of the non-3GPP access system is determined and is informed to the UE by the AAA server during the access authentication performed by the UE, so that the UE can obtain the trust type of the non-3GPP access system.
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