| 摘要 |
The present invention discloses a method for implementing access domain security of IP multimedia subsystem (IMS). The method includes: configuring in advance at least one access domain security mechanism on a network device of the IMS network; after receiving a request message from a User Equipment (UE), the network device selecting an access domain security mechanism for the UE according to the configuration of itself or the received request message, and the IMS network performing security control on the access of UE according to the selected access domain security mechanism. The access domain security mechanism includes a user authentication mechanism or a type of a security channel. In this method, one or multiple access domain security mechanisms are configured beforehand on an HSS and/or a P-CSCF, and the HSS, the P-CSCF, or a UE will make a selection from the configured access domain security mechanisms based on practical situations, thereby making the implementation of IMS access domain security more flexible.
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