The present application provides a communication method and a related apparatus, and the method is applied to a first terminal supporting an IMS DC. The method comprises: the first terminal receiving a call request from a second terminal via a second
server, and maintaining a
ringing state on the basis of the call request of the second terminal; upon detecting a first instruction of a user, sending a first message to a first
server, wherein the first message is used for notifying start of a call assistant service, the first instruction is used for starting the call assistant service, and the interaction between the first
server and the first terminal is carried by means of a
data channel (DC) bearer; and receiving first notification information from the first server, wherein the first notification information comprises first
voicemail message information from the second terminal. According to the method, a call assistant function is provided for a terminal device by means of a DC function of the terminal device, so that
voicemail message information of a calling party is acquired under the condition that additional UX design does not need to be performed on a terminal, and the call is maintained while acquiring the
voicemail message information, facilitating immediate resumption of interactive communication between both parties.