US Patent 11483315 Alias management method and device

Embodiments of this application relate to the communications field, and describe an alias management method and device. One example method includes the following operations: a functional alias management entity receives a management request message sent by a first client, where the management request message includes an identity of a user and information about an alias requested to be managed; and the functional alias management entity sends a management response message to the first client when the user has an alias management right, where the management response message includes the identity of the user, and information about an alias that is successfully managed.