1. A non-transitory computer readable medium having embodied therein a computer program including instructions for causing a processor to execute at least one task relating to audio data extracted from a data stream for performing a method of processing the data stream comprising audio data exchanged over a network between a server 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 by pressing on at least one key of the telephone terminal, the audio data corresponding to said event, the method comprising the steps of: providing that said at least one task is executable by a non-voice-specific software application that is programmed in a language developed for applications that are not specifically voice applications, and that is for interacting with the user through the network using a data transmission protocol which is not specifically an audio protocol; modifying said language so as to make it possible to use program elements that are specific to voice, and adding an insertion sub-module to the non-voice-specific software application, the sub-module comprising said program elements that are specific to voice and adapted to introduce into the non-voice-specific software application an instruction relating to the extracted audio data and adapted to activate execution of said at least one task.