Fuente: Wipo "digitalization" Embodiments of this application provide a method, an apparatus, and a system for providing a call additional service, so as to provide an additional service including a digital human service for a user in a real-time interactive call scenario. A terminal device obtains call additional service requirement information, where the call additional service requirement information indicates that a user corresponding to the terminal device requires to present a digital human image of the user in a call application interface of at least one peer terminal device; and enables, based on the call additional service requirement information, a communication server to send digital human content of the user to the at least one peer terminal device, so that the at least one peer terminal device presents the digital human image of the user in the call application interface based on the digital human content of the user; or enables, based on the call additional service requirement information, the at least one peer terminal device to generate digital human content of the user, so that the at least one peer terminal device presents the digital human image of the user in the call application interface based on the digital human content of the user.