The invention provides an intercommunication method, apparatus and system, relating to the technical field of intercommunication. The method includes acquiring the first request information that requests intercommunication connection at a current moment, wherein the first request information is audio request information; performing sound analysis on the audio request information to obtain the sound analysis result, wherein the sound analysis at least includes one of voice analysis, voiceprint analysis, and volume analysis; and according to the sound analysis result, determining the first reply priority for requesting the intercommunication connection so that the answering person responds to the request intercommunication connection based on the first reply priority. The intercommunication method, apparatus and system alleviate the technical problems that the traditional intercommunication system is not immediate in event handling and brings a great workload to the staff members.