CPC H04W 60/00 (2013.01) [H04W 8/08 (2013.01)] | 20 Claims |
1. A method, comprising:
receiving, by an access and mobility management function network element, a registration request message from a terminal device, wherein the registration request message comprises a first identifier of the terminal device;
obtaining, by the access and mobility management function network element based on the first identifier of the terminal device and received from a unified data management network element, a second identifier of a policy control function network element currently serving the terminal device and a first network identifier of the policy control function network element; and
determining, by the access and mobility management function network element, that the policy control function network element is a target policy control function network element in response to determining a second network identifier of the access and mobility management function network element being consistent with the first network identifier of the policy control function network element received from the unified data management network element.
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