Call method, device, and system

A communications apparatus, comprising:

• a memory is configured to store instructions;
• and
• a processor is configured to execute the instructions stored in the memory, to enable the communications apparatus to perform the following steps:
• receiving a first call request, wherein the first call request comprises information about a functional alias (FA) that a calling client requests to call, and the first call request is used to request to call a user corresponding to the FA;
• determining, based on the information about the FA, an activating user corresponding to the FA, wherein the activating user is a user who activates the FA;
• and
• sending a second call request to a called client, wherein the called client is a client used by the activating user, the second call request comprises information about the activating user, and the second call request is used to request to call the activating user.

A communications apparatus, comprising:

• a memory is configured to store instructions;
• and
• a processor is configured to execute the instructions stored in the memory, to enable the communications apparatus to perform the following steps:
• sending a first call request to a functional alias controlling server, wherein the first call request comprises information about a functional alias (FA) that the apparatus requests to call, and the first call request is used to request to call a user corresponding to the FA;
• and
• receiving a response to the first call request from the functional alias controlling server, wherein the response to the first call request comprises the information about the FA.