A method of processing a data stream comprising audio data exchanged over a network between a server (SERV) and at least one telephone terminal, the data stream corresponding to a telephone call from said terminal during which a user has produced at least one event. The method comprises a step a) consisting in extracting from the stream audio data (INST2) corresponding to each event, and a step b) consisting in executing at least one task relating to the extracted audio data (INST2) and executable by a software application (AL), the software application being designed to interact with the network by using a data transmission protocol that is not specifically audio. The method further comprises a step c) of introducing into said software application (AL) at least one instruction (INST2′) relating to the extracted audio data (INST2) and adapted to activate the step b).